Answer:
C.3
13AL
2.8.3
The number of electrons from the outermost shell is the valence of the element.
Diamond are the hardest Pure form of carbon.
I don’t know “which substance” are you talking about??
You can put the picture there so we can see.
Answer: False
Explanation:
Since the given equation is not balanced properly.
Since oxygen and hydrogen atoms are not balanced.
There should be 6 H2O (g) molecules and 14 mol H2 (g)
Answer:
2-4 mm height of capillary tube.
Explanation:
Sample should be around 2-4 mm in height.
It should be packed well so that it does not have air packets that caues the lowering of melting point.
If you take greater amount, then there will be needed more heat, resulting a wide range of melting point.