Question 23 (1 point) How many electrons are there in the third energy level of sodium, Na (atomic number 11)?
none
b
one
c
two
d
three
ine

How many grams of n2h4 will be consumed by 23 g of n2o4

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat