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Copy of Atoms and Ions (2/5/2026)

Last updated 3 months ago

20 questions

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Watch the video if you need to review the concept before attempting your assignment. 

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Question 20

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How do you make an ion? 

An atom gains Neutrons

An atom loses Protons

An atom gains Protons

An atom loses Electrons

An atom loses Neutrons

An atom gains Electrons 

Atoms are composed of three subatomic particles. Select those particles. 

Electron Cloud 

Neutrinos 

Neutrons

Electrons

Protons 

Nucleus 

Electroids 

Select all which are true

Electrons: Have a negative charge 

Protons: Define the atom 

Nucleus: Contains protons and neutrons 

Neutrons: Are electrically negative 

Electron Cloud: Contains Protons  

What is the difference between an atom and an Ion? 

There is not difference between atoms and ions

Ions are neutral, but atoms have a charge. 

Atoms have all three subatomic particles, but ions only have electrons 

Atoms are neutral and ions have a charge 

Indicate which descriptions are true for atoms and ions. 

Protons = Electrons

Lose or gain electrons

Have a charge 

Are neutral 

Atoms 

Ions 

Select all that are true for the image:

It has 10 electrons 

Na+1

Sodium (Na)

It is a neutral Atom 

The atom has gained 2 electrons

It is an ion 

It has 11 Protons

It has 11 Electrons 

Select all that are true for the image:

It has 0 Electrons 

It has 2 Protons

The atom gained an electron 

H-1

It has 2 electrons

The atom lost an electron 

H+1

It is a a neutral atom

Select all that are true for the image:

It has 10 electrons

It has 9 Protons

It has 6 Electrons 

F+1

The atom gained an electron 

It is a a neutral atom

F-1

The atom lost an electron 

Select all that are true for the image:

The atom gained an electron 

The atom lost an electron 

Ca

It has 6 Neutrons 

It has 3 electrons

Li+1

It has 3 Protons

It is a a neutral atom

Select all that are true for the image:

It has 8 Protons 

It has 8 Electrons

The atom gained 2 Electrons

The atom has a -2 charge

The atom lost an electron

True

False

Select all that are true for the image:

It has 8 Protons 

It has 10 Electrons

The atom gained 3 Electrons

The atom has a +3 charge

The atom lost 3 electron

True

False

Select all that are true for the image:

N-3

N

N+3

The atom gained 3 electrons

The atom lost 3 electron

True

False

Select all that are true for the image:

Cl-

Cl+2

The atom gained an electron

Cl

The atom lost a proton

The atom lost an electron 

Select all that are true for the image:

The atom has 15 Protons

The atom lost Electrons

The atom lost Electrons

The atom has 18 Electrons

The atom has 15 Electrons

The atom gained Protons

The atom gained Electrons

Select all that are true for the image:

The atom has 10 Electrons

This is an Atom 

Ne

The atom has 10 Protons

This is an Ion

Ne-2

Ne+

Select all that are true for the image:

The atom lost 3 Electrons

Be+3

This is an Ion

Be-3

The atom has 2 Electrons

The atom gained 3 Electrons

The atom has 5 Protons

Select all that are true for the image:

The atom gained 2 Electrons

This is an Ion

The atom has 20 Electrons

S-2

Ar

The atom has 18 Protons

This is a neutral atom

Fe+3

It has 23 Protons

It lost 3 Electrons

It has 26 Protons

It is a neutral atom 

True 

False

Cr+2

It has 24 Protons

It lost 2 Electrons

It gained 2 Electrons

It gained 2 Protons

True 

False

Si-4

It lost 4 Protons

It gained 4 Neutrons

It has 14 Electrons 

It has 14 Protons

True 

False