Question

B. Fill in the blanks.
1. The _______of an element is the one or two-letter abbreviation of its name.
3. The ______ of a compound is the symbolic representation of its composition.
2. An atom that loses one or more electrons to form a positive ion is called a ______
4. The representation of a chemical reaction by using the symbols and formulae of the reactants and
the products involved in the reaction is called its chemical______
5. If the number of atoms of each element on both the sides of a chemical equation is equal, then
the equation is called a______
chemical equation.
7. A________
is neither created nor destroyed during a chemical reaction.
6. A__________is a number that we place in front of a symbol or formula in an equation.​

Answer 1

Explanation:

1= symbol

3= chemical formula

2=cation

4= chemical equation

5=balanced chemical equation

7=mass

6=coefficients