Question

Q1. Fill in the blanks: (10)

1) An atom is considered to be electrically ________

2) Maximum number of valence electrons possible in an atom are ________

3) Valence of a Carbonate (CO3) radical is ________

4) Write the chemical formula of a sodium carbonate ________

5) ________ is a symbolic representation of a compound

6) A chemical reaction involves ________ and ________ of bonds

7) Single displacement reaction is also known as a ________ reaction

8) If an oxide does not form salt when it reacts with acids or bases. It is called ________

9) Atomic mass of reactants should be equal to the ________ of products​

Answer 1

Answer:

1.neutral

2.ten

3.two

4.Na2co3

5.chemical formula

6.breaking up of chemical bonds between atom

7.single replacement reaction

8.amphoteric

9.law of conservation of mass