Science, asked by beeelike, 4 months ago

please help me sir and mam

Attachments:

Answers

Answered by ironhemanth

1

Explanation:

(1)=1s2 2s1(lithium)

(2)=1s2(helium)

(3)1s1(hydrogen)

(4)1s2 2s2(berilum)

(5)1s2 2s2 2p1(boron)

Previous Question

Next Question

Similar questions

Hindi, 2 months ago

सन 2015 का क्रिकेट वर्ल्ड कप रिकामी जागा या देशात संपन्न झाला आहे.

English, 2 months ago

*Write articles on the topics with at least 150 words or more:- Failures are the pillars of success.

History, 2 months ago

why should we not categorise an age only through the religion of the rulers of the time as james mill did...

English, 4 months ago

If you had been Edla, What would you have done with the peddler?

Math, 4 months ago

rationalise the denominator ...

Science, 10 months ago

what are parasites? with examples...

English, 10 months ago

what happen when we are glad and when we are sad...

Science, 10 months ago

Activity 8 two lolly sticks/ice cream sticks, a rubber band or an inflated balloon, hinge(tape or thread) What you will need Two Lolly stickslic, hinge (tape or thread) w rubber band or an inflated balloon, Joint Bone Bone Muscle Science | What you will need Step 1: Create a triangle from two wooden pieces, a hinge and a rubber band or an uninflated long balloon. Step 2: Move the sticks and...