Question

Match the letters to the numbers for 30 points!

Answer 1

-- 'Ca' (Calcium) is an element.
-- The proton has a positive charge.
-- Nuclear fusion results in the synthesis of atoms of new elements.
-- H₂O (water) is a chemical compound.
-- Nuclear fission is a decay of the nucleus.
-- The atomic number of an element is the number of protons
      in each atom of it.
-- I suppose you're using the Greek letter  η  ('eta', not 'nu')
      to represent the neutron.
-- I suppose you're using ' e ' to represent the electron.

Answer 2

1-a
2-d
3-e
4-c
5-g
6-b
7-h
8-f