What happens during covalent bonding? A(The electrons of an atom are excited and jump into an orbital with a higher energy level.

B)The valence orbitals of multiple atoms combine to form one enormous orbital.

C)The ions form a well-ordered structure and are kept in place through strong attractions.

D)The attractive and repulsive forces between the atoms are equal and the atoms share electrons.

- lead + phosphoric acid = hydrogen + lead(ii) phosphate

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.