Chemistry, asked by reesamariyam28, 1 month ago

there are 3 shells in the atom of an element.its outermost shell contains 3 elements.what is the number of this atom

Answers

Answered by vangadeepthireddy

0

Answer:

Alluminium

Explanation:

As the first shell has 2 and second shell has 8 and 3rd shell has 3 so 2+8+3=13

So if electrons is 13 atomic no is 13 atomic no 13 is alluminium(Al)

Previous Question

Next Question

Similar questions

English, 16 days ago

Q.5 - B] Rewrite the sentence with used to. 1) My family watched the cricket match on T.V. 2) She played badminton with her friends.

Math, 16 days ago

the side of a right triangle are 3√3cm , 4√3 and 5√3. find its area...

Math, 16 days ago

. Simplify: (a) (-3)? x(-104 X (-1)789 (b) (-1)"5 + (-1)35 + (-1) + (-1)54...

Math, 1 month ago

Find the horizontal distance of the point P(5, 2) from x-axis.

English, 1 month ago

Rishi felt let down. (Make interrogative sentence)...

Hindi, 9 months ago

(क) गन्धिसुनु किसे कहा गया हैं?

Math, 9 months ago

what is enistein special theroy of relativity...

Science, 9 months ago

5. (a) What are isobars? (6) Atomic number of an element Y is 17. (1) Write its electronic configuration. (ii) What is the number of valence electrons in Y ? (iii) How many electrons are needed to complete the octet of Y ? (iv) Is it a metal or non-metal ? (c) The valency of Na is 1 and not 7. Give reason.