Intro Chemical Bonding

Ionic compounds are made of ___________.

• two metals

• two non-metals

• a metal and a non-metal

• none of the above

This is because metals tend to ____ electrons while non-metals tend to ____ electrons.

• lose, lose

• lose, gain

• gain, lose

• gain, gain

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Group 2 elements tend to form ions with a charge of?

• +2

• 2+

• -2

• 2-

Ionic compounds are electrically neutral.

• True

• False

Valence electrons are

• neutral (no charge)

• found in the outer most energy level of the atom

• equal to the number of protons

Atoms are most stable when their outer shell is complete.

• true

• false

How many valence electrons does Oxygen have?

• 0

• 16

• 6

• 8

Write the chemical formula for the picture:

• C2H₂

• USE YOUR NOTES

• HC₃

• CH₃

Tags

NGSS.MS-PS1-1

How many magnesium atoms?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How Many Oxygen atoms?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1