Ions

How many electrons are in a Li⁺ ion?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

How many electrons are in an S^2- ion?

• 10
• 14
• 16
• 18

Tags

NGSS.HS-PS1-1

How does a Br atom form a Br^- ion?

• A bromine atom loses an electron.
• A bromine atom gains and electron.
• A bromine atom loses a proton.
• A bromine atom gains a proton.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is the correct symbol for the element with 8 protons and 10 electrons?

• N^3-
• O^2-
• O^3-
• F^-

Tags

NGSS.HS-PS1-1

What type of ion might phosphorus form?

• +3
• +5
• -3
• all of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Sodium ion

• Na²⁺
• K²⁺
• Li⁺
• Na⁺

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Oxides ion

• O²⁻
• O³⁻
• O²⁺
• O⁻

Potassium ion

• Na⁺
• K⁺
• K²⁺
• K⁻

Possible copper ion

• Cu⁺ and Cu²⁺
• Ca²⁺ and Cu³⁺
• Cu²⁻ and Cu⁻
• Cu³⁺ and Cu²⁺

Tags

NGSS.HS-PS1-1

Possible iron ion

• Fe⁴⁺ and Fe³⁺
• Fe²⁺ and Fe³⁺
• Fe²⁺ and Fe⁺
• Fe⁺ and Fe²⁺

Tags

NGSS.HS-PS1-1