Ion Formation

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

• positive
• negative
• neutral
• polyatomic

Negative ions form when atoms _________ valence electrons.

• lose
• gain
• share

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

Tags

NGSS.MS-PS1-1

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

Magnesium ion would take a charge of

• 1+
• 2+
• 3+
• 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Nitrogen will form which of the following ions?

• N
• N^-3
• N^-5
• N⁺⁵

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Aluminum ion would take a charge of

• 1+
• 2+
• 3+
• 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Sodium ion would take a charge of

• 1+
• 2+
• 3+
• 0