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Sci9 07-01 Online Quiz

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Which of these is NOT a form of nuclear decay?

a)

Alpha

b)

Beta

c)

Theta

d)

Gamma

2.

Why are certain isotopes radioactive?

a)

They have too many protons

b)

The electrons acquire a positive charge

c)

The nucleus is unstable

d)

Frequency Modulation is an amplitude

3.

What is an alpha particle?

a)

A lone electron

b)

A helium nucleus

c)

A lone neutron

d)

The head of the pack

4.

What is the charge of a Beta particle?

a)

+2

b)

0

c)

-1

d)

-2

5.

Who discovered Radium, the first known element to emit gamma rays?

a)

Albert Einstein

b)

Madame Curie

c)

Juan Carlo Chatier

d)

Albert Radium

6.

Why is gamma radiation able to pass easily through matter?

a)

The aliens have fine-tuned the ray guns into an efficient weapon of death and destruction as they pillage their way through the galaxy.

b)

Gamma rays do not have mass or an electric charge.

c)

Gamma rays are charged with ionic ions which act as a lubricant to slip by other atoms.

d)

Gamma rays sound cool and therefore can do anything.

7.

What is the atomic mass of the isotope Radium 226?

a)

226

b)

88

c)

12

d)

Cannot be determined without more information

8.

In a nuclear fission reaction, a single neutron is shot into a U-235 atom. The products of this reaction are Ba-141, Kr-92, energy and three of these...

a)

alpha particles

b)

beta particles

c)

theta particles

d)

neutrons

9.

What type of nuclear decay is this?

a)

Alpha

b)

Beta

c)

Theta

d)

Gamma

10.

What type of decay is this?

a)

Alpha

b)

Beta

c)

Theta

d)

Gamma

11.

What makes the same element have different isotopes?

a)

different number of protons

b)

different number of neutrons

c)

different number of electrons

d)

nobody knows for sure