Chemistry High School

7th grade help me plzzzzzzzz

7th Grade Help Me Plzzzzzzzz

Answers

Answer 1

Answer:

1. Metals

2. Solid, gas, liquid

Explanation:

For #1:

The majority of elements in the periodic table are classified as metals. The transition metals lie in the center of the table, spanning groups three through 12. These elements are solid at room temperature, except mercury, and have the metallic color and malleability expected of metals.

Hope this helps :)

Related Questions

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

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

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

7th grade help me plzzzzzzzzzz

Answers

The first choice is correct
density is mass divided by volume

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

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:

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

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.

3 way to make bases​

Answers

Sorry it’s really unclear what your asking

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.

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:

Write a Formula
Compound Name: Strontium Sulfate

Answers

SrSO4 is the formula

Answer:

it's SrSO4

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:

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.

what form of heat transfer makes warm air rise?

Answers

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

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.

I WILL MARK BRAINLIEST!!!!! !!



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

Answers

Answer:

type D

balance form .b

Explanation:

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

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

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

Answers

Answer:

yes

Explanation:

I need help I know it isnt A

Answers

It is B. Thank you later please and do good on the test!
The answer is D. You have the right answer highlighted!

Can someone pls answer quickly?

Answers

answer is atom.Hope it is helpful.

Answer:

Atoms are the smallest particles that made up matter.

Li and S - covalent or ionic bond?

Answers

Answer:

It is an ionic bond.

Explanation:

Ionic bonds occur when a metal and a nonmetal combine, while covalent bonds occur between two nonmetals. Lithium is a metal and sulfur is a nonmetal.

It’s a ionic bond I believe. We just learned about this in school

Are ionic compounds not carrying a charge?​

Answers

Answer:

yes they carry charges

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

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 difference between the boiling point of a pure solvent and the boiling point of a solution of a nonelectrolyte in the same solvent is called the ___________________, a colligative property.

A. boiling-point elevation
B. freezing-point depression
C. molar freezing-point constant
D. molal melting-point constant
E. molal boiling-point constant

Answers

Answer: A) Boiling-Point Elevation

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.

. 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
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