Reactivity Practice

Which is more reactive-- O or F?

• O

• F

• They are the same

Tags

NGSS.MS-PS1-2

Which is more reactive-- Li or Fr?

• Li

• Fr

• They are the same

Tags

NGSS.MS-PS1-2

Which is more reactive-- F or Cl?

• Cl

• F

• They are the same

Tags

NGSS.MS-PS1-2

Which is more reactive-- B or Cl?

• Cl

• B

• They are the same

Tags

NGSS.MS-PS1-2

Which is the least reactive?

• H

• He

• F

• C

Why is group 18 unreactive?

• They have an empty valence shell

• They have a full valence shell

• They have 7 valence electrons

• They are gases

Why is group 1 very reactive?

• They are very close to a full valence shell of 8

• They are very close to an empty valence shell of 0.

• They are metals

• They are too big

How many valence electrons does this atom have?

• 6

• 2

• 4

• 3

Tags

NGSS.MS-PS1-1

How many energy shells does this atom have?

• 6

• 2

• 4

• 3

Tags

NGSS.MS-PS1-1

Which is more reactive-- Li or Be?

• Li

• Be

• They are the same

Tags

NGSS.MS-PS1-2