2 answers:
Answer:
1. element symbol = Kr
2. atomic mass = 83.80
3. Atomic number = 36
I think it is but 1. Element symbol
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Answer:
0
Explanation:
It’s before the projectile was fired, so nothing has happened yet.
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Answer:
B. 23s
Explanation:
I think u should follow the formulae F=MA. So I think the answer is 120N
The physical description would be soft due to the lava cooling the rock.
