Question

Assuming 7, 10, 12, 4 ,19 r the atomic number of v, w, x, y ,z elements respectively answer the following question related with modern periodic table.

♡Which one is a noble gas?

♡Whch element r belong to S-block?

♡Whc element have more atomic size?

Answer 1

Element w is noble gas as its atomic no. Is 10 and configuration is 2,8.

So.. Element w is noble gas which is neon.

.....element z belongs to s block

As iys atomic number is 19

So configuration is P Q R S

2 8 8 1

........element z has more atomic size as it mass is 39

Hope its help u