Chemistry, asked by gaurav313, 1 year ago

give the number number of element in 2nd and 5th period in modern period table

Answers

Answered by Ankushmishra24

1

number of element in 2nd - helium,

number of element in 3r-lithium

Answered by madhu110

1

in 2nd there are 8 elements and in 5th there are 18 elements

Previous Question

Next Question

Similar questions

English, 8 months ago

he will come.... sunday (on, in, in to...

Math, 8 months ago

If ∆ABC~∆IJK, write their corresponding angles and ratios of corresponding sides...

Physics, 8 months ago

Can one bit of light bounce off another bit of light?

Math, 1 year ago

if x= $\sqrt{2 + \sqrt{2 + \sqrt{2 = } } }$ ...

Math, 1 year ago

2 (x-2)-3(x-3)=5(x-5)...

Math, 1 year ago

If o is the centre of a circle of radius 5 cm. at a distance of 13 cm from o, a point p is taken. from this point, two tangents pq and pr are drawn to the circle. then , the area of quadrilateral pqor is...

Science, 1 year ago

Brief explanation network analysis & synthesis...

Social Sciences, 1 year ago

Why is asia called the continent of contrast?