Chemistry Year Review

An ionic bond is formed between

• 2 nonmetals

• a metal and a nonmetal

• 2 metals

• 2 polar molecules

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the formula for magnesium chloride?

• MgCl

• Mg₂Cl

• MgCl₂

• Mg(ClO₃)₂

Tags

NGSS.MS-PS1-1

This substance is always only made up of one type of atom:

• Compound

• Element

• Mixture

• Molecule

What is the atomic number?

• 16

• 8

• 0

Tags

NGSS.MS-PS1-1

Name the compound CuSO₄:

• copper sulfate

• copper sulfide

• sodium oxide

• calcium carbonate

Tags

NGSS.MS-PS1-1

Which side of a chemical equation is the product side?

• Left (before the yields sign)

• Right (after the yields sign)

How many protons in a neutral lithium atom?

• 3

• 7

• 4

• 1

Tags

NGSS.MS-PS1-1

How many electrons in a neutral lithium atom?

• 3

• 7

• 4

• 1

Tags

NGSS.MS-PS1-1

How many electrons in a lithium ion (Li⁺¹)?

• 3

• 7

• 4

• 2

Tags

NGSS.MS-PS1-1

How many protons in a lithium ion (Li⁺¹)?

• 3

• 7

• 4

• 2

Tags

NGSS.MS-PS1-1