General Science Class 7

The maximum mass of an atom is concentrated in:

1. Electron
2. Proton
3. Neutron
4. Nucleus

Periods in the periodic table are:

1. Vertical columns
2. Horizontal rows
3. Diagonal lines
4. Blocks

An atom has the same number of:

1. Electrons and Neutrons
2. Protons and Neutrons
3. Electrons and Protons
4. Neutrons and Molecules

The specific number of protons present in the nucleus of every an atom is called its?

1. Atomic Number
2. Mass Number
3. Atomic Mass
4. Valance Number

The sum of protons and neutrons in the nucleus of an atom is known as:

1. Atomic Mass
2. Mass Number
3. Atomic Number
4. Valance Number

An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of an atom is?

1. 11
2. 12
3. 22
4. 23
5. 24

An atom has atomic number 16 and mass number 32, the number of protons is?

1. 32
2. 14
3. 16
4. 18

In the periodic table, rows is considered to be a:

1. Periods
2. Groups
3. Zigzag
4. Diagonal

In the periodic table, columns is considered to be a:

1. Periods
2. Groups
3. Zigzag
4. Diagonal

In periodic table elements are arranged according to:

1. Increasing atomic mass
2. Decreasing atomic number
3. Both A and B
4. Increasing in atomic number