ion formation

Ions

Multiple Choice

When an atom gains a valence electron, it becomes a(n) _____________ ion.

• positive

• negative

• neutral

Multiple Choice

If my charge becomes 2+ what does that say about me?

• I am stealing 2 electrons

• I am losing 2 electrons

• I am in period 2

• I have an atomic # of 2

Multiple Choice

If I gain electrons I become

• Positive because I've added to my atom

• negative because I've added electrons

• same because i'm balanced

• equal because now I have electrons

Multiple Choice

How do the following two elements bond together?
Na¹⁺  F^1-         

• NaF

• NaF₃

• Na₃F

• Na₁F₂

Multiple Choice

How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO

• Cr₃O₂

• Cr₂O₃

• CrO₃

Multiple Choice

How do the following two elements bond together?
K¹⁺  S^2- 

• KS

• K₈S

• K₆S₃

• K₂S

Multiple Choice

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO

• Al₂O₃

• Al₃O₆

• Al₃O₂

Multiple Choice

The chemical formula for an ionic compound of potassium and oxygen is

• KO.

• K₂O.

• K₂O₂.

• KO₂.

Multiple Choice

How many valence electrons does a bromine atom have?

• 1

• 2

• 6

• 7

Multiple Select

What is an ion?

• an atom in which the number of protons equals the number of electrons.

• an atom in which the number of protons is not equal to the number of electrons.

• an atom with a charge

• an atom created when an atom gains or lose electrons

Multiple Choice

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive

• negative

• neutral

Multiple Select

What is a cation?

• a neutral ion

• an atom with a positive charge

• and atom with a negative charge

• an atom that has lost electrons

• an atom that has gained electrons

Multiple Choice

Where are metals located on the periodic table?

• Blue
• Green
• Red

Multiple Select

What is a anion?

• a neutral ion

• an atom with a negative charge

• and atom with a positive charge

• an atom that has lost electrons

• an atom that has gained electrons

Multiple Choice

Where are the nonmetals located on the periodic table? 

• Blue
• Red
• Green

Why do elements gain or lose electrons?

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Multiple Choice

What charge will an Oxygen ion have? 

• +1
• -1
• +2
• -2

Octet Rule

Electrons are lost or gained to have an electron configuration like the noble gas (pseudo-isoelectric).

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Want a valence electrons shell of 8 electrons​

Some text here about the topic of discussion

Multiple Choice

If an element has 3 valence electrons, what charge will likely form on its ion ?

• +3
• +5
• -3
• -5

Less than 4 valence electrons (metals) lose electrons --> cation

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More that 4 valence electrons (nonmetals) gain electrons --> anion

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​Some text here about the topic of discussion.

Multiple Choice

What is the charge of a sodium ion?

• +2

• +1

• -1

• -2

Multiple Choice

What class of elements tends to lose electrons?

• metals

• nonmetals

• metalloids

• Noble Gas

Multiple Choice

Which of the following has a -3 charge?

• Boron
• Fluorine
• Nitrogen
• Neon

Multiple Choice

What class of elements tends to gain electrons?

• metals

• nonmetals

• metalloids

• Noble Gas

Multiple Choice

charge of lithium ion

• -2
• -1
• +1
• +2

Multiple Choice

When an atom gains a valence electron, it becomes a(n) _____________ ion.

• positive

• negative

• neutral

Multiple Choice

charge of beryllium ion

• -2
• -1
• +1
• +2

Multiple Choice

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive

• negative

• neutral

Multiple Choice

Anions are...

• Positive
• Negative
• Neutral
• Crying

Multiple Choice

What charge will an Oxygen ion have? 

• +1

• -1

• +2

• -2

Multiple Choice

What is the ionic symbol for a Gold ion?

• Au⁺
• Au^-
• Au⁺²
• Au^-2

Multiple Choice

If an element has 3 valence electrons, what charge will likely form on its ion ?

• +3

• +5

• -3

• -5

Multiple Choice

What is the ionic symbol for Krypton?

• Kr
• Kr⁺
• Kr^-
• Kr^-2

Multiple Choice

Which of the following has a -3 charge?

• Boron

• Fluorine

• Nitrogen

• Neon

Match

Match the charge with the groups.

• -1

• -3

• -2

Group 17

Group 15

Group 16

• Group 17

• Group 15

• Group 16

Match

Match the charge with the groups.

• +1

• +2

• +3

Group 1

Group 2

Group 3

• Group 1

• Group 2

• Group 3