Unit 5 Review

When metals bond with non-metals they form what type of bonds

• covalent
• ionic
• cooperative
• lewis

What two types of atoms make a covalent bond?

• 2 Nonmetals

• 1 Nonmetal and 1 Metal

• 2 Metals

• 2 Noble Gases

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NGSS.HS-PS1-2

How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Tags

NGSS.MS-PS1-1

An ionic bond involves a __________ of electrons.

• sharing

• borrowing

• transfer

• switching

When a nonmetal gains electrons, it becomes this type of ion.

• Anion
• Cation

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

When a metal loses electrons, it becomes this type of ion.

• anion
• cation

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The proper formula for magnesium hydroxide:

• MgOH
• Mg₂OH
• Mg(OH)₂
• Mg₂OH₂

Which of the following is NOT an ionic compound:

• CaO
• NaOH
• BaCl₂
• Br₂

Tags

NGSS.HS-PS1-3

How many valence electrons does a bromine atom have?

• 1
• 2
• 6
• 7

Tags

NGSS.HS-PS1-1

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2