characteristics of the 4 element groups

Question 1

alkali metals

Answer 1

shiny, silvery, soft, highly reactive, low density, floats on water, not seen alone and often combined with other elements

Question 2

alkaline earth metals

Answer 2

shiny, silvery, not as soft or reactive

Question 3

halogens

Answer 3

very reactive, rarely found in elemental form, forms compounds with alkali metals, can be poisonous in large amounts

Question 4

noble gases

Answer 4

stable nature, unreactive, odourless, tasteless, glows brightly when an electrical current passes through