what further observation led mendeleev to create the periodic table

Answers

Answer 1

Answer:

;,knbbbknnbkhbln bhbj k; b; m j

Explanation:


Related Questions

Match each term with the correct description below.
1. what is a charged atom that has gained one or more electrons?

2. What substance is held together by ionic bonds?

3. What metal and nonmetal transferrers electrons?

4. What particle has electrons that are shared unequally?

5. What forms when atoms share electrons by covalent bonds?

6. What two nonmetals share electrons?

7. What charge atom that has lost one or more electrons?

8. What two or metals "pooling" electrons?

a. metallic bond

b. covalent bond

c. anion

d. ionic bond

e. molecule

f. cation

g. compound

h. polar molecule

Answers

Answer:

1. anion

2. compund

3. ionic bond

4. polar molecule

5. molecule

6. covalent bond

7. cation

8. metallic bond

Explanation:

A motorcycle starts at rest and moves a distance of 460m .
If it has constant acceleration of 4m55 m/s2 what is its final velocity

Answers

Answer:

The final velocity of the motorcycle is 64.7 m/s

Note: Since the value for the acceleration of the motorcycle is not clear, it is assumed to be 4.55 m/s² in the calculation

Explanation:

Using the equation of motion that contains all the given values in the question: v² = u² + 2as

where v is final velocity; u is initial velocity; a is acceleration; s is horizontal distance

v = ?, u = 0 (since the motorcycle starts from rest), a = 4.55 m/s², s = 460 m

v² = 0² + 2 * 4.55 * 460

v² = 4186

take square root of both sides

v = 64.7 m/s

Therefore, the final velocity of the motorcycle is 64.7 m/s

Which of the following might be included in a chemical
reaction?



a Molecules
b lons
C Pure elements
d All of the above

Answers

Answer:

D. All of the above

Explanation:

Molecules, ions, and pure elements might be included in a chemical reaction. Therefore, option (d) is correct.

What is a chemical reaction?

A chemical reaction can be described as a reaction that brings the chemical conversion of one chemical substance to another chemical substance. The reactions cause chemical changes that include the rearrangement of electrons in order to create and break bonds between atoms.

The compound or molecules which are primarily utilized in a reaction are called reactants. Chemical reactions give products, which possess characteristics different from the reactants of the reaction.

Chemical reactions take place at a definite rate of reaction at a given concentration, temperature, and pressure. The rate of reaction increases with the rising temperature of the reaction as more activation energy is available for reactant molcules collisions.

Therefore, in a chemical reaction reactants and products can be present as Molecules, ions, and pure elements.

Learn more about Chemical reactions, here:

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Salt is a common example of a(n) _____________ bond, while Water is a common example of a(n) _____________ bond.

Answers

Ionic bond
Covalent bonds

Answer:

salt is ionic bond and water is Polar covalent bond

Explanation:


The rate of change of position (or distance traveled) with respect to time"

Answers

Answer:

Velocity...I believe

Answer: velocity or meters per second

Explanation:

There are 70 fisherman and 5 sea bass in the lake. Are sea bass considered a limiting factor?

Answers

Answer:

yes

Explanation:

an example of a physical change that does not involve any changes in CHEMICAL PROPERTIES. Explain which physical properties have changed and list a chemical property which has not changed.

Answers

Answer:

Ripping a Paper

Explanation:

Physical Properties changed - The size has decreased, and the shape has changed.

Chemical property- Flammability

7th grade help me plzzzzzzzzzz

Answers

The first choice is correct
density is mass divided by volume

I WILL MARK BRAINLIEST!!!!! !!



(picture included with one question ^^^^^^^)

Answers

Answer:

type D

balance form .b

Explanation:

What will most likely happen if you place a piece of metal in a base?
O A. The metal will turn into a salt.
O B. The metal will neutralize the base.
C. The metal will give off a gas.
O D. The metal will not react with the base.

Answers

Answer:D

Explanation:

The metal will not react

plssss helppp
will mark brainliest

Answers

I’m don’t kill me if I’m wrong but I think it’s high melting point

Answer:

high melting point

Explanation:

high melting point

Learning Task No. 3: Write a short paragraph regarding the differences between
saturated and unsaturated solutions.
Type of Solution
Explanations about the differences of
the two solutions
Saturated solution
Unsaturated solution​

Answers

Answer:

See explanation

Explanation:

A saturated solution is a solution that contains just as much solute as it can normally hold at a given temperature in the presence of undissolved solute. An unsaturated solution contains less solute than it can normally hold at a given temperature. A saturated solution can not dissolve more solute whereas an unsaturated solution can comfortably dissolve more solute until it attains saturation at a specified temperature.

what is the electron configuration for lithium​

Answers

Answer:

2,1

Explanation:

the electron configuration is 2s1

Which gas sample contains the most molecules ?

Answers

Answer:

CO2

Explanation:

(a) CO2; according to Avogadro's Hypothesis, they all contain the same number of particles, therefore, the heaviest molecule, CO2 (molar mass = 44), will have the greatest mass. (b) all the same; at the same temperature all gases have the same kinetic energy.

Meh peepss halp will mark brainliest!!!! u-u

Answers

Answer:

The three parts of the cell theory are as follows: (1) All living things are made up of cells, (2) Cells are the smallest units (or most basic building blocks) of life, and (3) All cells come from preexisting cells through the process of cell division. ... Today, the cell theory is considered the foundation of biology.

Explanation:

hope this help.. brainliest???

Answer:

i wanna give brailiest to the person at the top!

Explanation:

What type of bond (Ionic, Covalent or Metallic) would be created when carbon bonds with bromine?

Answers

Answer:

Covalent bond

Explanation:

(pls give me brainliest) <3

. The model shows Earth in several positions relative to the Sun. In which position is it winter in North America?​

Answers

What does the model look like
all the way to the right

This is a change in an objects motion caused by an unbalanced force

Answers

Answer:

This is a change in an objects motion caused by an unbalanced force.

- Acceleration

Answer:

Pressure

Pressure is done when a force is applied to an object to course a motion

Are ionic compounds not carrying a charge?​

Answers

Answer:

yes they carry charges

which best represents a compound?

Answers

Answer:

The one above B

Explanation:

The one above B is most represents a compound because compounds are chemically bonded and are always near each other.

Which pair of elements is most likely to form an ionic compound with each other?



sulfur and carbon


barium and chlorine


oxygen and fluorine


calcium and sodium

Answers

Barium and chlorine

The radioactive isotope used in the dating of fossils thought to be less than 40,000 years old is ________________.

Fill in the blank.

Answers

Answer:

The answer is Radiocarbon

Which is NOT a shape of epithelial cells?
A.Cuboidal
B.Columbar
C.circular
D.squamous

Answers

B.should be *columnar, but C.Circular is the answer

Can y’all give me 5 facts about this

Answers

Conglomerate is closely related to sandstone and displays many of the same types of sedimentary structures. Sandstone is a notably popular building material, used for things like flagstones and tile.

Conglomerate rocks are colorful and attractive; however, it is rarely used as ornamental stone for interior use because of its unreliable physical strength and durability.

Conglomerate has very few commercial uses, though it can be crushed to make a fine aggregate that can be used when a low-performance material is needed.

Conglomerate forms where sediments of rounded clasts at least two millimeters in diameter accumulate. Because of the large size of the clasts, it takes a very strong water current to transport and shape the rocks. As they tumble through the running water or moving waves, they form their rounded shape.

These rocks can be found in sedimentary rock sequences of all ages. They probably make up less than one percent by weight of all sedimentary rocks.

what form of heat transfer makes warm air rise?

Answers

Convection which allows heat to be transferred between the air molecule via convection currents .

PLEASE HELP
The Octet Rule explains why

A. Atoms form chemical bonds to create compounds
B. The electronegativity of fluorine is higher than chlorine
C. Ionic compounds have high boiling and melting points
D. Valence electrons are used in chemical bonding
E. Valence electrons are used in chemical bonding

It's not D that's all I know. Please answer with an explanation if you know.

Answers

Answer:

Explanation:

E

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Fill in the next verse of the song:

I see a little silhouetto of a man ________________

Answers

Scaramouche, Scaramouche will you do the Fandango?

There is free rotation about the carbons of ethane but not th
of ethane. This is due to the fact that
A. the carbons in ethane are round
Balkenes do not rotate
C. the carbons in ethane are linked by double bonds
D. the carbon in ethane are smaller than those of ethane​

Answers

Answer:

C. the carbons in ethene are linked by double bonds

Explanation:

The reason for the lack of free rotation about the carbons of ethene is that they are linked with with double bonds.

In single bonds afforded with the ethane compound, there is free rotation.

The double bonds confer a special restriction on the rotational potential of the bonded atoms round the carbon.

A candy bar has ____ energy.

A. Kinetic

B. Potential

Answers

Answer:

Potential energy

Explanation:

A candy bar has carbs, sugars, and calories which are potentially going to be used as energy in a body.  

Answer:

B. Potential

Explanation:

Because the candy bar is sitting still.

Colour in acid of red litmus paper​

Answers

Red

Litmus paper turn red when it comes in contact with acid. It turn blue if it come in contact with a base. Neutral litmus paper is purple

Other Questions
Which of the following could NOT be the measures of the angles of a triangle?A. 600-60-60O B. 70-50-70OC. 40-400-100D. 30-120-30 The sum of two numbers is 225. The difference of the same two numbers is 35. Find the 2 numbers. Which two quotations provide sufficient and relevant evidence to support the author's claim in paragraph 4? c 'The Cybathlon arena is as different as its events. Yes, there is a racetrack around the floor, and seating along the outside for fans, but most of the action takes place along four parallel tracks in the center, each with rows of obstacles." (paragraph 7) "Many people can make their own breakfast, open doors while carrying bags, or get up from a deep sofa. These common tasks can be big hurdles, however, for people with prosthetic arms or legs, or those who use wheelchairs." (paragraph 8) "Through daily training, Kurs was able to transition from a wheelchair to leg braces and, recently, to an exoskeleton. Now she is a pilot in the Powered Exoskeleton Race. The exoskeleton event involves most of the same tasks as the leg race." (paragraph 16) "Wheelchairs are one of the world's oldest assistive technologies, and they can still do a lot to restore personal mobility...if the ground is flat. Navigating uneven pavement, riding over ramps, and traveling up and down stairs are still huge challenges for wheelchair users." (paragraph 17) Functional electrical stimulation (FES) is a way to move paralyzed muscles. When an electrical current flows through electrodes on the skin, O the muscles contract. By applying the current in certain patterns, FES can help people who are paralyzed to grasp, stand, and even walk." (paragraph 19) Help me please pleasessssss Ok I know about the vertical Line thing but this has got me confuzled! Can someone help! Will give crown to first answer that is correct! BIG POINTDescribe the significance of the unit circle to Trigonometry. Make connections to solving, graphing, identities, and other key concepts included in this course. Provide at minimum of 4 connections with an explanation of the connections.Write in paragraph please. The teacher was a real _____; he marked off for every tiny error he could find, yelled at students for just looking at each other, and never accepted tardy notes.1) demagogue 2) despot 3) enigma 4) bourgeoisie So i was reading my favorite book series in english class and then my friend said "hey your sitting a bit close to me" and i replied "oh sorry but did you know theres more of these im boundary'd the next one!" There must be at least 5 but no more than 10 of each type of fruit in each basket. How many differentways can youarrange the fruit baskets when using all of the fruit? Explain your reasoning Which process forms new elements The rabbit population in a forest area grows at the rate of 9% monthly. If there are 242 rabbits in September, find how many rabbits (rounded to the nearest whole number) should be expected next September. Use y=242(2.7)0.09ty=242(2.7)0.09t You have $425 today which is enough to buy 17 shirts. If the price of shirts are expected to increase by 2% over the next year, what (precise) nominal rate would you have to earn to be able to buy 20 shirts next year Part BHow would you classify a network formed by connecting two MANs together? Font Sizes Bus X travels 224 miles in 4 hours. Write the equation of the line that describes the relationship between distance y and time x. Why would the NM constitution have to project the right to education for Hispanic students ? Find the value of x. Then find the measure of each labeled angle. Pls help if u know the answerPLS HELP...Marley has a vegetable garden in her yard. During a recent storm, heavy rains fall and some of her garden soil is watch away. Which term BEST describes the movement of the soil from one place to another?ErosionRunoffDepositionWeathering The number of bacteria in a culture is increasing according to the law of exponential growth. The initial population is 240 bacteria, and the population after 12 hours is double the population after 1 hour. How many bacteria will there be after 3 hours The object in the following image was likely built:to honor fallen Aksum warriorsas a symbol of freedomas a monument for a monarchto appease the rain god How do you write 3.684 103 in standard form?