Chapter 5 Test Review

Ionic bonds form between two ions that have...

• ionic compounds
• negative charges
• positive charges
• opposite charges

Ions that are made of more than one atom are called...

• ionic compounds
• crystals
• polyatomic ions

• ionic bonds

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

• positive 
• negative

Calcium Oxide, CaO

• Covalent Bond

• Ionic Bond

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NGSS.HS-PS1-1

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Calcium Chloride, CaCl₂

• Covalent Bond

• Ionic Bond

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

• Al⁺³

• Al⁺¹³

• Al³

• Al^-3

if NONMETALS are more likely to GAIN electrons, they will form ...

• anions

• neutral atoms

• cations

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NGSS.HS-PS1-2

Elements in Group 1 lose one electron to form ions with a _________________ charge.

• 1+
• 2+
• 0
• 1-

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In the chemical formula for an ionic compound, which item is written first?

• positive ion (cation)

• negative ion (anion)

• subscript

• it's alphabetical

How many VALENCE ELECTRONS does Chlorine have?

• 2

• 7

• 8

• 17

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