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ANEK [815]
3 years ago
9

I will give u 50 points if u help me

Chemistry
2 answers:
WITCHER [35]3 years ago
7 0
14) gas to liquid to solid
15)chlorine displaces bromine from potassium bromide
16) non-metals
6)vertical
7)similar properties
8)there are patterns
10)decrease
11)very reactive
12) hydrogen
18)lower density than air
19)better insulator
20)metalloids
Fofino [41]3 years ago
6 0

Answer:

a b a

Explanation:

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