Name this element

Question 1

I am an alkaline earth metal with a mass number of 40, what am I?

Accepted Answer

Ca

Question 2

I am the most reactive metal, what am I?

Accepted Answer

Fr

Question 3

I am an actinide, what am I?

Accepted Answer

U

Question 4

I am in group 13 and I am a metalloid, what am I?

Accepted Answer

Boron

Question 5

I am in group one period three, what am I?

Accepted Answer

Litium

Question 6

I am a halogen in period 5, what am I?

Accepted Answer

Iodine

Question 7

I am not a transition metal, what am I?

Accepted Answer

Ne

Question 8

I am a metal in period 6, what am I?

Accepted Answer

W

Question 9

I am the lightest noble gas, what am I?

Accepted Answer

He

Question 10

I am a gas in group 16, what am I?

Accepted Answer

oxygen

Questions 10