Humphry Davy First discovered sodium
Beryllium is a chemical element with symbol Be and atomic number 4. It is a relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays.
Answer: A
Explanation: Beta particles have a charge of -1
The volume of 10 grams of frozen water is more than the volume of 10 grams of liquid water