An electron has what kind of charge?

• no charge
• positive 
• negative
• it depends

Tags

NGSS.HS-PS2-4

a proton has what charge?

• positive
• negative
• no charge
• it depends

When the number of electrons equals the number of protons the atom has what charge?

• sponge bob
• positive charge
• negative charge
• neutral charge

Tags

NGSS.MS-PS1-1

Atoms that lose electrons become...

• negatively charged (cations)
• positively charged (anions)
• negatively charged (anions)
• positively charged (cations)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms that gain electrons become...

• negatively charged (anions)
• positively charged (cations)
• remain neutrally charged
• 21

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

METALS are more likely to LOSE electrons, so they tend to form ...

• anions
• cations
• neutral atoms
• negative ions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is ionic formula:
Barium Chloride

• BaCl₂
• BaCl
• Ba₂Cl
• BaCl₃

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

• KO.
• K₂O.
• K₂O₂.
• KO₂.

Tags

NGSS.HS-PS1-1

What is the formula for calcium chloride

• CaCl
• CaClO
• CaCl₂
• Ca(ClO)₃

What is the formula for magnesium chloride?

• MgCl
• Mg₂Cl
• MgCl₂
• Mg(ClO₃)₂