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Grade: 12

                        

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​

one month ago

Answers : (1)

abhay gupta
askIITians Faculty
178 Points
							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 !
one month ago
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