I'm pretty sure all 4 are subatomic particles but if i had to guess i'd be Photons
Sodium is considered to be a transitional metal
Answer:
Explanation:
The molecular mass of C2H6 is approximately 30 or [(2 x 12) + (6 x 1)]. Therefore the molecule is about 2.5 times as heavy as the 12C atom or about the same mass as the NO atom with a molecular mass of 30 or (14+16).
Answer:
Magnesium oxide is a simple basic oxide, because it contains oxide ions. It reacts with water to form magnesium hydroxide which is a base.
Answer:
It depends what other values you have. Can you give more info? If they give density then you can solve for m.
