Ion Practice

What is a positive ion called?

• anion

• cation

• isotope

• covalent

What is a negative ion called?

• anion

• cation

• covalent

• isotope

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do elements form bonds?

• to get a charge

• so they can make friends

• to become stable by getting a full valence shell

• to become stable by increasing their mass

If an atom loses electrons, the charge will be positive.

• true

• false

Tags

NGSS.HS-PS1-7

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

• Br^1-

• Br¹⁺

• Br⁷⁺

• Br^7-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons would a Nitrogen ion gain/lose?

• lose 4

• gain 5

• lose 3

• gain 3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons would a Calcium ion gain/lose?

• lose 1

• gain 1

• lose 2

• gain 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons would a Oxygen ion gain/lose?

• lose 4

• gain 2

• lose 6

• gain 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the ion formed from Oxygen?

• O²⁺

• O^2-

• O⁶⁺

• O^6-

Tags

NGSS.MS-PS1-1