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Assertion : The number of electrons donated (or) accepted by an atom of an element so as to have 8 electrons in its outermost orbit is called valency. Reason : The metallic ions formed by the donating 3 electrons from their outermost orbit are called trivalent electropositive ions. * 1. Both A and R are true and R is the correct explanation of A. 2. Both A and R are true but R is NOT the correct explanation of A. 3. A is true but R is false. 4. A is false but R is true. 5. Both A and R are false​

Assertion : The number of electrons donated (or) accepted by an atom of an element so as to have 8 electrons in its outermost orbit is called valency. Reason : The metallic ions formed by the donating 3 electrons from their outermost orbit are called trivalent electropositive ions. *1. Both A and R are true and R is the correct explanation of A.

2. Both A and R are true but R is NOT the correct explanation of A.

3. A is true but R is false.

4. A is false but R is true.

5. Both A and R are false​

Grade:12

1 Answers

abhay gupta
askIITians Faculty 199 Points
3 years ago
Answer:

4 A is false R is true

Explanation:

because The number of electrons donated (or) accepted by an atom of an element so as to have 8 electrons in its outermost orbit is calledoctetnot valency.

Thank you !

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