Which of the following terms best describes an atom which is chemically unreactive?
A static
B full
C satisfied
D invert

Answers

Answer 1

Option D is the correct alternative.

We have a chemically unreactive element.

We have to determine which term best describes this atom.

What is Reactivity ?

Reactivity in chemistry is the impulse for which a chemical substance undergoes a chemical reaction, either by itself or with other materials.

According to the question -

An atom that that does not react with the other atoms belongs to those elements which are chemically unreactive or inert elements. The reason behind their inertness is their completely filled outermost shell which can accommodate a maximum of 8 electrons which is as shown by their electronic configuration -  1s²2s²2p⁶. Hence, they are highly stable and don't react with other elements. Ex - Helium, Argon, Neon etc.

Hence, Option D is the correct alternative.

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Related Questions

can somebody help me with this please

Answers

Answer:

He, 2, 2, 2, 4, 4-2=2, 1, 8

I, 53, 53, 53, 127, 127-53= 74, 5, 7

Explanation:

um check the periodic table for the rest?

The three types of symbiosis are ___ and ___

Answers

Answer:

mutualism,commensalism and parasitism

Answer:

mutualism, commensalism, and parasitism

training doctors to recognize child abuse and explain how you could apply it to teaching. Write a short paragraph, using complete sentences with proper grammar, spelling, and punctuation.

Answers

Answer: E

Explanation:

What is the cost to drive to Los Angeles from San Francisco a distance of 405 miles if the cost of gasoline is $2.90 a gallon and the car get 25 miles per gallon of gas?

Answers

Answer: $46.98

Explanation:

The distance to drive to Los Angeles from San Francisco is 405 miles. Since the car get 25 miles per gallon of gas, for 405 miles, the car will use:

= 405/25 = 16.2 gallons

Since the cost of gasoline is $2.90 a gallon and the car will use 16.2 gallons. The cost will be:

= $2.90 × 16.2 gallons

= $46.98

points)
(06.01 LC)
Based on the kinetic theory, which statement is true? (4 points)
A
Matter consists of only large molecules.
B
Matter is made up of only charged particles.
C
The particles of matter have zero kinetic energy and potential energy.

D
The particles of matter are arranged in different ways for the different state.

Answers

Answer:

D .The particles of matter are arranged in different ways for the different state.

Explanation:

The kinetic molecular theory is used to explain the forces between molecules and the energy the molecules possesses.

One of the key postulate of this theory is that;

The particles of molecules are continual state of motion. They posses kinetic energy. In gas, the particles are random and moves in a straight line motion. Liquids are less random and only slide past one another. Solids have a restricted space and the molecules are free to move about.

Therefore, we can see that the particles of matter are arranged in different ways for different state.

Please help me I don’t understand this !!!

Answers

Answer:

The real answer for a is-He(helium)4,002602

The answer for b is-Mg(Magnesium) 24.305

A block of lead displaces 50.5ml of water. The block weighs 698 g. From this
information, calculate the density of lead.

Answers

Answer:

13.82 g/mL

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

From the question we have

[tex]density = \frac{698}{50.5} \\ = 13.8217...[/tex]

We have the final answer as

13.82 g/mL

Hope this helps you

239
239
-
93Np
94Pu + c

Answers

Answer:4>34.1>56

Explanation:ez

what is electron shielding?

Answers

Answer:

Electron shielding is when the inner electrons shield the outer electrons from the full force of the nucleus

Electrons in an atom can shield each other from the pull of the nucleus. This effect, called the shielding effect, describes the decrease in attraction between an electron and the nucleus in any atom with more than one electron shell. ... The more shielding that occurs, the further the valence shell can spread out.

In the following reaction, how many grams of H2O are produced if 2.00 g of N2H4 react? N2H4 + 3 O2 ---> 2NO2 + 2H2O

Answers

Answer:

2

Explanation:

From this equation, 2 grams are produced.

The mass of H₂O produced from the reaction is 2.25 g

We'll begin by calculating the mass of N₂H₄ that reacted and the mass of H₂O produced from the balanced equation.

N₂H₄ + 3O₂ —> 2NO₂ + 2H₂O

Molar mass of N₂H₄ = (2×14) +(4×1) = 32 g/mol

Mass of N₂H₄ from the balanced equation = 1 × 32 = 32 g

Molar mass of H₂O = (2×1) + 16 = 18 g/mol

Mass of H₂O from the balanced equation = 2 × 18 = 36 g

SUMMARY

From the balanced equation above,

32 g of N₂H₄ reacted to produce 36 g of H₂O.

Finally, we shall determine the mass of H₂O produced by the reaction of 2 g of N₂H₄

From the balanced equation above,

, 32 g of N₂H₄ reacted to produce 36 g of H₂O.

Therefore,

2 g of N₂H₄ will react to produce = (2 × 36) / 32 = 2.25 g of H₂O

Thus, the mass of H₂O produced from the reaction is 2.25 g

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explain how you know the numbers of atoms in your formula. Carbon Monoxide

Answers

Explanation:

hrhrbdbc hdbdbdhdbdbdbdebebebrbbrbrdbbc bf bdvdbf bdbdbdbdbdhdhdhdhdhdhdhdhdhdhdhdhdhdhdhdhdhdhdgdgdggdgdgddgdhdhdhdhdhddgghdhdgdhdhdhhdhdhdhhdgdgdhdgdgdhdhdgfhfhdv dvdvvvdvdvdvdvddvdvfvdvfgddgfvvgdhhdvdvdvdgfvdhfdvdddhdhfh ddhfhdddhdhhdhfhfhfhhdhdhdhvffv

Based on the figure below, what do the elements of a group (family) have
in common

Answers

Answer:

Explanation:

Send figure below

Write the chemical formula for gold (I) sulfide.

Answers

Answer

Au2s

please mark me as brainlist

What is the density of an object (g/cm) that has a mass of 2.78 g & a volume of 10.0
cm3?

Answers

Answer:

The answer is 0.28 g/cm³

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

From the question we have

[tex]density = \frac{2.78}{10} \\ = 0.278[/tex]

We have the final answer as

0.28 g/cm³

Hope this helps you

Answer:

p = 0.278 g/cm3

Explanation:

n which phase(s) of matter are the atoms closely packed but still able to slide past each other?

gas
liquid
solid and gas
liquid and solid

Answers

Answer:

I belive its liquid if I'm right because liquids are packed together when they take shape but they are still able to move.....brainliest???

Answer:

Liquid

Explanation:

Please don't jugde me if I got it wrong

7th grade help me plzzzzzzzz

Answers

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 :)

What might happen if you mixed a strong acid with an equally strong base?
A.You would see an explosive chemical reaction.
B.The acid would destroy the base.
C.The base would destroy the acid.
D.You'd wind up with a pH-neutral salt and water.

Answers

Answer:

D

Explanation:

When you mix a strong acid and a strong base : ( D ) You will wind up with a pH-neutral salt and water

The mixture of a strong base and an equally strong acid results in a neutralization reaction, because at the point of equivalence the base and acid will completely neutralize each other.

The mixture solution will have a pH value of 7 and the end products will an ionic salt and water.

Hence we can conclude that When you mix a strong acid and a strong base , you will wind up with a pH-neutral salt and water.

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Negative ions have ______ (More or Less) protons than electrons.

Answers

Answer:

Less

Explanation: I took the test.

Answer: negative ions have less protons than electrons.

Explanation:

In this periodic table, which type of element is shown in green boxes?
A. Noble gases
B. Metalloids
C. Nonmetals
D. Metals

Answers

The correct answer is B. Metalloids

Explanation:

In this periodic table, the green boxes include elements such as Boron (B), Arsenic (As), and Antimony (Sb). All these elements are known in chemistry as semimetals or metalloids. This classification is because these elements cannot be completely classified into metals or non-metals. Moreover, they all display similar properties including some level of conductivity, malleability, and solid-state. According to this, the correct answer is B.

Answer:

B. Metalloids

Explanation:

Why did the increase in consumerism occur in the Roaring Twenties?(1 point)

A. There were new technologies and new innovations to drive the sale of goods, since people could afford them.

B. Improvements in technology made life easier for all people.

C. Machines and robots were used on assembly lines, making production more efficient.

D. People were tired of the economy only producing necessary supplies.

Answers

Answer:

A. There were new technologies and new innovations to drive the sale of goods, since people could afford them

Explanation:

A just because it’s too easy

What is the V2O5 coefficient??

Answers

Answer:

1235

Explanation:

if thers a  a guess in that number

The compound V₂O₅ has a Seebeck coefficient at a temperature of 50 °C of -990 μV/K.

What is a compound?

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

They have a unique chemical structure held together by chemical bonds .Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.

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Which of these mixtures is a suspension?

A. salad dressing

B. Gelatin

C. whipped cream

D. apple juice

Answers

Answer:

D. apple juice

Explanation:

State which statement is a physical change or a chemical change:
(a) Sawing wood
(b) Cooking eggs
(c) Melting chocolate
(d) Chewing sweets
(e) Rusting iron
(f) Filing your fingernails
(g) Milk turning sour
(h) Blow-drying your hair
(i) Boiling water
(j) Baking a cake
(k) Burning a match

Answers

Answer:

Physical change: A,C ,D, F, H, I

Chemical Change: B, E, G, J, K

The Synthesis Reaction of aluminum (Al) and iodine (I) forms a new, more complex
product. What is the product?

Answers

Answer:

Aluminum iodide (AlI₃)

Explanation:

The synthesis reaction of aluminum (Al) and iodine (I) can be illustrated as shown below:

Aluminium exhibit trivalent positive ion (Al³⁺)

Iodine exhibit univalent negative ion (I¯)

During reaction, there will be an exchange of ion as shown below:

Al³⁺ + I¯ —> AlI₃

Thus, we can write the balanced equation for the reaction as follow:

Al + I₂ —› AlI₃

There are 2 atoms of I on the left side and 3 atoms on the right side. It can be balance by putting 2 in front of AlI₃ and 3 in front of I₂ as shown below:

Al + 3I₂ —› 2AlI₃

There are 2 atoms of Al on the right side and 1 atom on the left side. It can be balance by putting 2 in front of Al as shown below:

2Al + 3I₂ —› 2AlI₃

Thus the equation is balanced.

The product on the reaction is aluminum iodide (AlI₃)

Some things that can be made from coal are...
A. All of the above
B. Tar
C. Generating power
D. Plastics
E. Fertilizer

Answers

Answer:A

Explanation:just casuse

Lucy learns that the lymphatic system is part of the circulatory system. She wants to learn more about it and reads more carefully about the part it plays in circulation. What is the role of lymph nodes in the lymphatic system?
A. They are found in the plasma and help fight off bacteria and other harmful microorganisms.
B. They filter plasma and return it back to the bloodstream.
C. They filter lymph by trapping harmful bacteria and other microorganisms in the fluid.
D. They transport lymph to where it is needed in the body.

Answers

Answer: C because I’m smart

Explanation:

The Lymph nodes have been consisted of the lymph fluid that has been able to entrap the bacteria and kill them. Thus, option C is correct.

Lymph nodes have been defined as the small swellings in the lymphatic system that has been consisting of the various parts of the body.

The lymph nodes have consisted in the neck, armpit, chest and abdominal region of the body and have been able to perform the function as the first layer of defense.

The Lymph nodes have been consisted of the lymph fluid that has been able to entrap the bacteria and kill them. Thus, option C is correct.

For more information about the lymph nodes, refer to the link:

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Which of the following accurately describes metallic bonding?
A. electrons sea of delocalized
B. electrons are shared between atoms
C. electrons are transferred between atoms
D. electrons are released as beta particles

The answer is not C that's all I know. Please answer with explanation if you know.

Answers

Answer:

A

Explanation:

A solid is composed entirely of xenon atoms. What type of solid is it?
a) ionic
b) metallic
c) covalent network
d) atomic
e) molecular
f) amorphous

Answers

Answer:

ionic

Explanation:

xenom atoms are too large to move in the crystals without first associating with two oxygen ion vacancies and one uranium ion vacancy

How many moles are present in 2.3 x 1023 molecules of NH3?

Answers

Answer:

0.38 moles

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

[tex]n = \frac{N}{L} \\[/tex]

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

[tex]n = \frac{2.3 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{2.3}{6.02} \\ = 0.382059...[/tex]

We have the final answer as

0.38 moles

Hope this helps you

Convert 62.5 L to mm
3

Answers

Answer:

0.0625

Explanation:

Answer:

62,500

Explanation:

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