Question

plss give correct answer​

Answer 1

Answer:

X element is sulphur

Explanation:

a. (Na)3S2 3P4

electron per shell is 2, 8, 6

b. 6

c. sulphur .. it is nonmetal solid

d. valancy increases left to right , because no. of valance electron increases.

e. atomic size incerases top to bottom in groups because no. of shell increases.

Answer 2

Answer:

a. 2,8,6

b. 2

c. Non- metallic because 6 electrons in valence shell, so it will gain electrons.

d. valency first increases then it starts decreasing.

e. Atomic size increases as number of shells increases.

Hope it helps you:)