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The zinc ion +1 can exist but it is very rare and not likely to show up on school work but in your case it did how odd
Answer:
the answer is 25.032g check pic for explanation
well, I'm not good in chemistry
but I think it's 5.5
Which is the correct order of ease of carbon dioxide production by heating the group II metal carbonates?
A) 
B) 
C) 
D) 
Answer:
Explanation:
The correct option is A:
<h2>
</h2>

On the periodic table, carbonates required stronger heating as one does down the groupings in order for them to decompose. The implication is that the stability of compounds will increase from
to
.
So the carbonates will be stable according to the following order:
, thus making B the correct answer.
Cheers