Formula writing

sliver phosphide

• Ag₃P
• Ag₃PO₄
• Ag₃PO₃
• AgP

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Na₂S

• Sodium Sulfide
• Sodium Sulfate
• Sodium Sulfite
• Disodium Sulfide

What is the formula for magnesium chloride?

• MgCl
• Mg₂Cl
• MgCl₂
• Mg(ClO₃)₂

Tags

NGSS.MS-PS1-1

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

• KO.
• K₂O.
• K₂O₂.
• KO₂.

Tags

NGSS.HS-PS1-2

Name this compound: 
NaBr

• Bromide sodide
• Sodium bromide
• Sodium bromate
• Sodium bromite

Write the formula for copper(I) phosphide

• Cu₃P
• CuP
• Cu₁P
• CuP₃

Tags

NGSS.HS-PS1-2

The chemical formula of dinitrogen tetroxide is

• Ni₂O₄
• NiO
• N₂O₄
• NiO₂

Ionic compounds generally form when ____________ and ________________ react with each other.

• nonmetals and nonmetals
• metals and metals
• metals and nonmetals
• polyatomic elements & nonmetals

Tags

NGSS.HS-PS1-2

Metals tend to _____ electrons to form _______; nonmetals tend to _____ electrons to form ________.

• lose, cations ;   lose, anions
• gain, cations ;    lose, anions
• gain, anions ;    gain, cations
• lose, cations ;     gain, anions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are in an atom of phosphorus (P)?

• 5
• 4
• 3
• 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2