Covalent Bonding

What two types of atoms make a covalent bond?

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

Tags

NGSS.MS-PS1-1

In chemical compounds, covalent bonds form when

• both atoms already have full valence shells.

• electrons are completely transferred between two metals.

• pairs of electrons are shared between two non-metal atoms.

• two non-metal atoms are attracted to each other by opposite charges.

How many elements exist as diatomic molecules?

• ₆

• ₇

• ₈

• ₉

What is the name of this shape?

• Tetrahedral

• Trigonal Pyramidal

• Angular or Bent

• Linear

What is a diatomic element?

• a metal bonded with a nonmetal
• 2 or more nonmetals bonded together
• 2 or more metals bonded together
• 2 atoms of the same element bonded together

How many electrons are shared in a double bond?

• 2
• 4
• 6
• 8

Tags

NGSS.HS-PS1-2

Which element below is not diatomic?

• hydrogen
• oxygen
• nitrogen
• sulfur

The number of bonds an element will form in a covalent compound will be equal to

• the number of valence electrons
• eight electrons
• the number of electrons needed to reach an octet
• the group number

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A mystery substance has a low melting point, does not dissolve in water, does not conduct electricity, and is made of non-metals. Which type of bonding is most likely to be present?

• Metallic

• Ionic

• Covalent Network

• Covalent Molecular

A mystery substance has a very high melting point, does not dissolve in water, does not conduct electricity, and is made of non-metals. This substance is very hard. Which type of bonding is most likely to be present?

• Metallic

• Ionic

• Covalent Network

• Covalent Molecular

Tags

NGSS.HS-PS1-3