When magnesium ion doesn't give any characteristics colour with the flame test as electronic transisitons do not give out visible light.
(2) three fewer valence electrons is your answer.
When two atoms of the same element are covalently bonded, the radius of each atom will be half the distance between the two nuclei because they equally attract the electrons. The reason for this trend is that the bigger the radii, the further the distance between the two nuclei. Hope this helps:)
Answer:c
Explanation:
it’s gained kinetic from the gravitational potential energy at the top