COVALENT BOND

Covalent bonds are between...

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

Tags

NGSS.MS-PS1-1

Atoms are most stable when their outer shell is complete.

• true
• false

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do elements bond?

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

Tags

NGSS.HS-PS1-4

Ionic or covalent?
NaBr

• Ionic
• Covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic or covalent?
H₂O

• Ionic
• Covalent

Tags

NGSS.HS-PS1-2

How is covalent bonding represented?

• by writing its valence electrons

• by writing its Lewis structure

• by writing its number of bonds

• by writing its number of protons

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.

Tags

NGSS.HS-PS1-2

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

• K₂S
• H₂O
• I₂
• CO₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In an electron dot diagram, two pairs of shared electrons represents a ...

• single bond
• double bond
• triple bond
• quadruple bond

Tags

NGSS.HS-PS1-4

A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?

• 1
  1
• 3
• 4
• 6