Answer:
The empirical formula of the compound is 
.
Explanation:
Mass of magnesium in compound = 0.273 g
Mass of nitrogen in the compound = 0.105 g
Moles of magnesium =
Moles of nitrogen = 
Form empirical formula divides the lowest value of moles of an element present with all the moles of elements present.
Magnesium 
Nitrogen 
The empirical formula of a compound:
The empirical formula of the compound is .
Answer:
The question 7 answer is false
the question 8 answer is true
Answer:
False
Explanation:
Atomic radius is defined as the distance between the nuclei of 2 identical atoms that are bonded together
Now, from periodic tables, chromium has a calculated atomic radius of 1.66 Å while iron has a calculated atomic radius of 1.56 Å
Thus, chromium has a bigger atomic radius than iron.
So the statement is false.
Answer:
limiting Reactant
Explanation:
In a chemical reaction, the limiting reagent, or limiting reactant, is the substance that has been completely consumed when the chemical reaction is complete.
B. because the little number below the H stands for how many atoms there are, and b has 1 more Hydrogen atom than A does.
(I think)
