LG 3: Reactivity and the Periodic Table

Question 1

Elements in group 3 are _____ reactive than elements in group 2.

Accepted Answer

less

Question 2

What charge will beryllium gain in order to satisfy the octet rule?

Accepted Answer

+2

Question 3

Elements in group 5 are _____ reactive than elements in group 7.

Accepted Answer

less

Question 4

What charge will aluminum gain in order to satisfy the octet rule?

Accepted Answer

+3

Question 5

Electrons on the outer shell are called _____.

Accepted Answer

valence electrons

Question 6

Elements in group 7 are _____ reactive than elements in group 6.

Accepted Answer

more

Question 7

Rank the elements from lowest reactivity to highest reactivity: Be, B, Li.

Accepted Answer

B, Be, Li

Question 8

Reactivity is a measure of the _____ and _____ of a reaction.

Accepted Answer

speed; intensity

Question 9

What charge will oxygen gain in order to satisfy the octet rule?

Accepted Answer

-2

Question 10

The columns of the periodic table are known as _____.

Accepted Answer

Groups

Question 11

What charge will helium gain in order to satisfy the octet rule?

Accepted Answer

0

Question 12

The octet rule states that _____.

Accepted Answer

all atoms want a full outer shell

Question 13

Rank the elements from lowest reactivity to highest reactivity: Ne, B, O.

Accepted Answer

Ne, B, O

Question 14

Rank the elements from lowest reactivity to highest reactivity: P, Cl, S.

Accepted Answer

P, S, Cl

Question 15

Rank the elements from lowest reactivity to highest reactivity: K, As, Se.

Accepted Answer

As, Se, K

Question 16

The rows of the periodic table are known as _____.

Accepted Answer

Periods

Question 17

Elements in group 1 are _____ reactive than elements in group 2.

Accepted Answer

more

Questions 17