covalent bonds

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

How are covalent bonds explained?

• When one atom takes the other atom's electron
• When the atom shares an electron with an another atom
• When the two nucleus merge
• When the neutrons leave the nucleus

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many are shared in a single bond?

• 2 pairs
• 4
• 2
• 1

How many are shared in a double bond?

• 2
• 4 pairs
• 6
• 4

How many electrons are shared in a triple bond?

• 6
• 3
• 6 pairs
• 5

Name the following compound: 
CO₂

• monocarbon dioxide
• carbon oxide
• carbon dioxide
• oxygen carbonide

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the correct formula for this molecule?

• NH
• N₃H
• NH₃
• NH₄

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NGSS.MS-PS1-1

In covalent bonding, electrons are

• shared
• transferred
• wiped out

Which element is most likely to form a covalent bond?

• Nitrogen
• Lithium
• Sodium
• Potassium

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What does it mean for an atom to have an octet?

• It has gained, lost or shared electrons resulting in the atom having 8 valence electrons

• The atom has stability

• The atom resembles a Nobel Gas

• All of these

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NGSS.HS-PS1-1

NGSS.HS-PS1-2