Question

Predict the group and period of one element having Z(atomic no)= 33.

Answer 1

Answer:

The period of an element corresponds to the principal quantum number of the Valence shell. The block of an element corresponds to the type of orbital which receive the last electron. For s-block elements , group number is equal to the number of valence electrons.

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Explanation:

Answer 2

Answer:

Explanation:

Atomic Number = 33

Electronic configuration of element will be:

1$s^{2}$ 2$s^{2}$ 2$p^{6}$ 3$s^{2}$ 3$p^{6}$ 4$s^{2}$ 3$d^{10}$ 4$p^{3}$

Clearly,

The element belongs to $4^{th}$ period and $15^{th}$ group.

Also, the element with atomic number 33 is Arsenic (Ar) of Nitrogen Family.

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