Question

4.

Electronegativity is defined as the

Group of answer choices

charge of an electron.

sum of the positive and negative ions in an ionic compound

comparative ability of an atom of an element to attract bonding electrons.

net charge of a polyatomic ion..

5.

Atoms are neither created nor destroyed in a chemical reaction is a statement of the

Group of answer choices

law of conservation of mass

law of reflection

law of composition

law of definite proportion

6.

What is the number of oxygen atoms in Al₂(SO₄)₃

Group of answer choices

12

4

6

7

Answer 1

4) Electronegativity is a measure of tendency of  atom to attract a pair of electrons in a bond .it can also be defined as comparative ability of an atom of an element to attract bonding electrons.

5)Atoms are neither created nor destroyed in a chemical reaction is a statement of the law of conservation of mass.It states that matter can neither be destroyed nor be created