Answer:
Beryllium
Explanation:
They are in the same group
There are 5 significant figures in this number because the zero counts and it comes after a number and on the right of the decimal point
Yes all the atoms have zero oxidation
Answer:
The photoelectric effect proves that light has particle-like activity,The photoelectric effect happens when photons are shone on metal and electrons are ejected from the surface of that metal.
Explanation: