11.12 3
14
15
16
7. Give me an atom with the following characteristics.
a. Halogen
B. Alkali metal
C. Nobel gas
I
8. Looking at Calcium (Ca) How many

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

Which substance has non polar covalent bonds