Physics Form IV - Test

physics quiz - 1 (Form Four) - 02/02/2022

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1 ...... Is the smallest particle of an element

B. Atom is Correct! ✓

A. Matter

B. Atom

C. Neutron

D. Electron

2 ......... are the particles that found in the nucleus of the atom

B. Nucleons is Correct! ✓

A.Neutron

B. Nucleons

C. Mass

D. Electron

3. The tendency of atoms of the same element to have same atomic number but differ in mass number and neutron number

D. Isotopy Correct! ✓

A. Isotopes

B.Isotone

C. Isoscopy

D. Isotopy

4. Mass number(A) is obtained by .........

C. Z + N is Correct! ✓

A. N + N

B. A - N

C. Z + N

D. Z - A

5. what is Stable atom ?

A. Atom with Strong Binding Energy is Correct! ✓

A. Atom with Strong Binding Energy

B. Atom with Weak Binding Energy

C. Atom with both Binding Energy

D. None of the above

6. ........ is the emission of rays caused by decaying of unstable atomic nucleus

C. Radioactivity is Correct! ✓

A. Radiations

B. Radioactive

C. Radioactivity

D. Radiant

7. pure substance that can not split into simpler substance by simple chemical means

D. Element is Correct! ✓

A. Matter

B. Atom

C. Molecule

D. Element

8. sub atomic particles includes

A. Protons,Electrons,Neutrons is Correct! ✓

A. Protons,Electrons,Neutrons

B. Protons,Electrons,Necleons

C. Protons,shell,Neutrons

Protons,Electrons,Nucleus

9.the mass of the electron is ......

C. 1/1840 is Correct! ✓

A. 1

B. 2

C. 1/1840

D. 1840/1

10 neutron it is denoted by ........

C. n is Correct! ✓

A. e

B. p

C. n

D. Z

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