In the modern periodic table, the period number directly signifies which of the following characteristics for the elements belonging to that period?

The elements in which electrons are progressively filled in 4f-orbitals are called:

Which of the following represents the valence shell electronic configuration of the last element of p-block, located in the 6th period?

1. $7{\mathrm{s}}^{2}7{\mathrm{p}}^6$

2. $5{\mathrm{f}}^{14}6{\mathrm{d}}^{10}7{\mathrm{s}}^{2}7{\mathrm{p}}^0$

3. $4{\mathrm{f}}^{14}5{\mathrm{d}}^{10}6{\mathrm{s}}^{2}6{\mathrm{p}}^6$

4. $4{\mathrm{f}}^{14}5{\mathrm{d}}^{10}6{\mathrm{s}}^{2}6{\mathrm{p}}^4$

The elements with atomic numbers 35, 53, and 85 are:

Among the following, the elements that can show covalency greater than 4 is/are:

(a) Be

(b) P 

(c) S

(d) B

Choose the correct option

1. (a), (d)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Among the following sequences, the sequences that contain atomic numbers of only representative elements are:

Choose the correct option:
1. (a), (d)
2. (b), (c)
3. (c), (d)
4. (b), (d)

The properties among the following can be shown by the element belonging
to the 3rd period and group 13 of the periodic table:

(a) Good conductor of electricity

(b) Liquid, metallic

(c) Solid, metallic

(d) Solid, non-metallic

Choose the correct option :

1. (a), (c)

2. (b), (c)

3. (c), (d)

4. (b), (d)