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Chemistry

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Identify the name of the above experiment

a)

Gold foil experiment

b)

Oil drop experiment

c)

Cathode roy experiment

2.

Matter consists of tiny particles called atom that are indivisible

a)

Thompson thoery

b)

Delton theory

c)

Millikans experiment

d)

Rutherford's model

3.

Atoms consist of electrons surrounding a nucleus in the center

a)

Electrons

b)

Nucleus

c)

All of the above

d)

Proton

4.

Central material that occupies very little space within an atom

a)

Electrons

b)

Proton

c)

Nucleus

5.

Measures the charge of an electron

a)

Democritus

b)

Rutherfor's model

c)

Millikina's experiment

d)

Electrons

6.

What is the name of the above apparatus

a)

Thompson experiment

b)

Rutherford model

c)

Dolton's experiment

d)

Millikan's oil drop experiment

7.

Explain why the cathode ray is attracted to the positive plate?

a)

All of the above

b)

Same charge

c)

Opposite charge

8.

If a magnet is brought near one side of the tube, the cathode ray will be deflected. Explain.

a)

The magnet have east and weast

b)

The magnet have north and south

c)

Show that the ray is charged

d)

All of the above

9.

A subatomic particle with no charge is

a)

Protons

b)

Electrons

c)

Neutron

d)

Some tybe of "tron"

10.

He said that the atom resembles a tiny rock.

a)

Thomson

b)

bohr

c)

Democritus

d)

Dalton

11.

A positively charged subatomic particle is

a)

Proton

b)

Mass number

c)

Element number

d)

Neutron

12.

Choose the statement that is FALSE.

a)

Non of them below

b)

Electrons have the mass of 1 amu

c)

Protons have the mass of 1amu

d)

Neutrons have the mass of 1 amu

13.

Atoms with the same number of protons but different numbers of neutrons are:

a)

Isotopes

b)

Protons

c)

Relative abundance

d)

Neutrons