FUN 1 EO: 1.1 - Radiation Protection Tech.

FUN 1 EO: 1.1

1 / 18

Which equation represents mass-energy equivalence as discovered by Einstein?

E = mc^2

E = 2mc^2

E = mc

E = mc/2

2 / 18

In a neutral atom, how does the number of protons compare to the number of electrons?

There are more electrons

They are equal

There are more protons

The relationship varies

3 / 18

What does the atomic mass number (A) represent?

The total number of protons in the nucleus

The sum of the number of protons and electrons

The number of electrons in the atom

The sum of the number of protons and neutrons in the nucleus

4 / 18

What are the three basic particles that make up an atom?

Proton, Neutron, Positron

Neutron, Electron, Positron

Proton, Neutron, Electron

Proton, Electron, Positron

5 / 18

What is the maximum number of electrons that can be contained in the N shell?

6 / 18

Which elementary particle located in the atom's nucleus has no electrostatic charge?

Neutron

Electron

Positron

Proton

7 / 18

What is the mass of a neutron?

1.6605 x 10^-24 grams

1.6747 x 10^-24 grams

1.6724 x 10^-24 grams

1/1838 that of a proton

8 / 18

What is the mass defect (Δm)?

The difference in mass between the total mass of the nuclide and the total mass of the individual particles

The sum of the masses of the protons and neutrons

The mass of the electrons in an atom

The mass of the protons in an atom

9 / 18

In the mass-energy equivalence formula, what does the symbol "E" represent?

Electron structure

Excited state of an atom

Energy

Energy level of a shell

10 / 18

Which expression correctly calculates the number of neutrons in a given nucleus?

A - Z

A + Z

Z + A

Z - A

11 / 18

What is the isotopic abundance?

The number of isotopes in an element

The abundance of a given element's isotopes in a normal mixture

The amount of energy released during fission

The atomic mass number of an isotope

12 / 18

How is the binding energy per nucleon calculated?

BE * A

BE + A

BE/A

BE - A

13 / 18

Which shell has a maximum total of 50 electrons?

2 (L) shell

3 (M) shell

4 (N) shell

5 (O) shell

14 / 18

What is the atomic mass of a proton in grams?

1.6724 x 10^-24

1.6838 x 10^-24

1.6747 x 10^-24

1.6605 x 10^-24

15 / 18

What is the atomic mass unit (AMU) equivalent to?

1/6 the mass of a carbon 12 nucleus

1/12 the mass of a carbon 12 nucleus

1/24 the mass of a carbon 12 nucleus

1/18 the mass of a carbon 12 nucleus

16 / 18

How is the binding energy of a nucleus related to its mass defect?

It is the energy required to form the mass defect

It has no relationship to the mass defect

It is the energy equivalent in units of MeV of its mass defect

It is the mass of the nucleus minus the mass defect

17 / 18

What defines isotopes of an element?

Same atomic number, but different atomic weights

Same atomic number and same atomic weights

Different atomic numbers and different atomic weights

Different atomic numbers, but same atomic weights

18 / 18

What does the term "isotopes" refer to?

Atoms that have the same atomic weight, but different atomic numbers

Atoms that have the same number of electrons, but different protons

Atoms that have different numbers of protons and neutrons

Atoms that have the same atomic number, but different atomic weights

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