How many neutrons are present in 1 atom of chlorine? A.
18

B.
32

C.
16

D.
25

How many grams of naoh are needed to make 0.250 liter of a 0.500 m solution of naoh? 0.125 g 5.00 g 2.00 g

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

What material does not melt at any temperature