Science, asked by ayuAnganus3him, 1 year ago

The electronic configuration of an element X is 2,8,8,2. To which (a)period and (b)group of modern periodic table does X belong ? State its valency, Justify your answer in each case

Answers

Answered by Anonymous

9

Calcium - group : 2 and Period : 4. and Valency : 2.

Answered by chaudharyvandana2008

4

Calcium

A. Period =4

B. Group =2

Previous Question

Next Question

Similar questions

History, 7 months ago

अमेरिका का राष्ट्रीय पशु...

Math, 7 months ago

By prime factorisation method find the L.C.M of 16,24,32,48...

History, 7 months ago

How does art play a vital role in the cultural development of a country?

English, 1 year ago

I need the answer fast!!!!!!!!!!!1Imagine, that you are a student-astronaut, who had participated in the launch. Describe whatyou experienced while in flight and later and, what you felt and saw when Mangalyaanentered the Mars orbit.KEY: the solid rocket motors ignite and this feels like a huge kick behind, the vehicle shakes alot and the ride is rough for the first two minutes as you are...

English, 1 year ago

Change the following sentences into the respective form of Present Tense:- He showed a great presence of mind at the time of crisis. They had been quarrelling with their neighbours for a long time. He did not heed to anybody because he was angry He could break but not bend He was not willing to listen to me...

Physics, 1 year ago

Why does a spanner have a long handle? TNSCERT Class 10 Physics Ch 15 Laws of Motivation and Gravitation...

Physics, 1 year ago

A bomb of mass 3 kg, initially at rest, explodes into two parts of 2 kg and 1 kg. The 2 kg mass travels with a velocity of 3 m/s. At what velocity will the 1 kg mass travel? TNSCERT Class 10 Physics Ch 15 Laws of Motivation and Gravitation...

Science, 1 year ago

Percentage of nitrogen in the atmospheric air is ________. a. 23.20% b. 75.50% c. negligible TNSCERT Class 9 General Science Ch3 Is Matter Around us Pure...