Answer:
Ba
Explanation:
The trend for atomic radius is that it increases as you go down and decreases as you go right.
Answer:
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1 L ----------- 1000 mL
? ------------- 274 mL
L = 274 * 1 / 1000
= 0.274 L
hope this helps!
It’s A: C2H2N (basically you count how many C, H and N there are)