Question

Answer in one word. a) highly reactive metal b) non reactive metal c) elements of group 3 to 12 d) radioactive elements e) elements with 2 electrons in the outermost orbit

Answer 1

a lithium, sodium, potassium

b Aluminum, cast iron

d there are 29

e

Answer 2

a) potassium
b) platinum
c) transition metals
d) magnesium