Transition metals?

Question

Which of the following statements are CORRECT?

1.The atomic radii of transition metals decrease initially, then increase as one moves from left to right across a period of the periodic table.

2.The atomic radii of the period 6 transition metals are approximately 25% larger than the atomic radii of the period 5 transition metals.

3.The densities of the period 5 transition metals are greater than those from either the period 4 or period 6 transition metals.

a.1 only
b.2 only
c.3 only
d.1 and 2
e.1, 2, and 3

Answer 1

1 is true

2 is false

3 is false