Atomic Structure MCQ Quiz Questions for Class 7 - 1

Question: 1

There are two electrons in the outermost orbit of the magnesium atom. Hence, the valency of magnesium ______

Question: 2

The smaller particles found in the atom is called _____

Question: 3

If the valency of carbon is 4 and that of hydrogen is 1, then the molecular formula of methane is ______

Question: 4

The _____ revolve around the nucleus.

Question: 5

The nucleus has _____ and _____

Question: 6

The particles that make up the atom are called _____ particles.

Question: 7

_____ is the smallest particle of a chemical element.

Question: 8

_____ compared an atom to a watermelon.

Question: 9

According to John Dalton, atom is a hard, solid, ball and it is _____

Question: 10

The _____ are combination of atoms of various element or the same element.