Consider the non-radioactive elements in Group 1.
Which of the following statements is/are correct about the element with the largest atomic number?
1 It has the most vigorous reaction with cold water.
2 Its atom has the same number of electrons in its highest occupied energy level as other members of the group.
3 It is the most readily oxidised.
A. none of them
B. 1 only
C. 2 only
D. 3 only
E. 1 and 2 only
F. 1 and 3 only
G. 2 and 3 only
H. 1, 2 and 3