C2H2 is the right answer I believe
Answer:
Hi there!
Your answer is:
A.
Explanation:
When frozen, water turns from a liquid to a solid! An example of this is a glass of water. You fill the glass with liquid tap water, and then put ice cubes in it. The ice cubes are solid and the tap water is liquid!
I hope this helps!
the largest is francium, Z=87 , or caesium, Z=55 ; and the smallest is definitely helium, Z=2 .
Explanation:
make me Brainliest

The element having valency of 1 is ~
Answer:
It's A
Explanation:
Liquid can heat things and so can steam.