Question

The following is a periodic table below

All the letters are in squares

The S = an empty square

13 Colums in total

Questions:

1. What pair of elements is in the same period? D and R

2. Which pair of elemetns is in the same family? K and F

3. Which element has the smallest atomic number K

4. Whcih element would be classified as metals D, R & F

are these correct

K S

S S S S J S S

F S S S S S S

S S S D S S R S S S S S S

Answer 1

correct