Chemistry, asked by vikaspatra121oyy8c1, 1 year ago

an element has an atomic number 12.How many electrons will be present K,L,and M energy shells of its atom?

Answers

Answered by dark3

2,8,2 and 2 will valency and element is magnesium

Answered by sanshri2010

atomic no.12 represents magnesium
the configuration of magnesium is 2 , 8 , 2
hence
K shell have 2 electron
L shell have 8 electron
M shell have 2 electron

Previous Question

Next Question

Similar questions

Math, 7 months ago

2. Simplify the following: 73 x 114 130 72x11² (-2) * (3x)2 x(-xy) 3x²u...

English, 7 months ago

Imagine you were unable to meet your parents expectations. How would you feel and what would you do ? don't answer if you don't know please don't waste my points otherwise i will report you . first to answer nicely will mark a a brainiest.

Math, 7 months ago

Find product of 1.2asquarebsquare*5abraiseto4csquare*1.1araiseto5*b*craiseto7...

History, 1 year ago

what is meant by term ordinance...

Social Sciences, 1 year ago

Explain the socio-economic changes responsible for breaking down the old notion of caste hierarchy in india?

Science, 1 year ago

process involved in dialysis...

Chemistry, 1 year ago

do grapes contain citric acid or only tartaric acid?

Science, 1 year ago

the global warming is due to...