Science homework need a lot of help (8th Grade)?

Periodic table, lightest is top left and heavier as you go from left to right and down. There will be a column for non metals and one for metals. Hydrogen is most abundant, potium is in bananas you could cut with a knife and is explosive in water, hydrogen has two protons, 8 is talking about neon, 14 is talking about calcium,15 talks about carbon,17 talks about sulpher