Covalent Bond quiz

How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

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NGSS.HS-PS1-2

Which of the following is NOT formed by a covalent bond?

• K₂S
• H₂O
• I₂
• CO₂

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Tags

NGSS.MS-PS1-1

Is hydrogen considered a metal or a non-metal?

• A metal
• Nonmetal
• Metalloid

Tags

NGSS.HS-PS1-1

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms are most stable when their outer shell is complete.

• true
• false

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do elements bond?

• To be friends
• To create a new element
• To become stable

Ionic or covalent?
NaBr

• Ionic
• Covalent

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NGSS.HS-PS1-3

Ionic or covalent?
H₂O

• Ionic
• Covalent

Tags

NGSS.MS-PS1-1

What kind of element forms covalent bond?

• metals

• semi -metals

• non metals

• metal and non metal