Chemistry, asked by rose0811g, 6 days ago

The atomic number of an element is 9 find its valance

Answers

Answered by batraanushka8
1

Answer:

1

Explanation:

As nucleus of the element contains nine protons, its atomic number is 9. Hence, the electronic configuration of the element is 2, 7. It needs one more electron to attain the stable inert gas configuration. Hence, its valency is 1.

Answered by yashvidangi069
0

Answer:

-1

Explanation:

As the elctronic configuration by 2n² will 2,7

Previous Question
Next Question
Similar questions
Math, 3 days ago
last year price of mangoes was rs 30 per/kg. this year the price of the mangoes has increased by 30%, what is the price now.​
Hindi, 3 days ago
कबीर जी के अनुसार किसके कारण पूरा संसार भक्ति के वास्तविक मार्ग को भूल गया है? (i) पक्ष विपक्ष के कारण (ii) नास्तिकता के कारण (iii) लड़ाई झगड़े के कारण (iv) इनमें से कोई नहीं​...
English, 3 days ago
sentences using may and might present tense​...
Chemistry, 6 days ago
Equal weights of two gases produces equal work on isothermal reversible expansion from same initial volume to the same final volume. The gases should be A) Cl2, O2 B) CO2, CH4 C) CH4, C2H6 D) NO, C2H6​...
Physics, 6 days ago
E. Answer in 1 or 2 words/sentences. 1. Define a magnet. 2. Classify magnets based on: a. how long the magnetism lasts b. how they are made 3. You are at a job where you need a magnet. What kind of magnet will you choose if a.no electricity is available. b. electricity is available and a very strong magnet is required. 4. What is self-demagnetisation? 5. A bar B of some material is...
Math, 8 months ago
11. If the nth term of an AP is equal to 2n, then the common difference is a. 1. b. 2. c. 3. d.4​...
Physics, 8 months ago
What is a black hole? How they made? Tell us about its secret.I will marked brainlist.​
Math, 8 months ago
13. Two school libraries have 33405 books and 23645 books respectively. How me books should be purchased so that the total number of books in the libraries 58000?​