FUN 1 EO: 1.1 - Radiation Protection Tech.

FUN 1 EO: 1.1

1 / 18

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

Excited state of an atom

Energy

Electron structure

Energy level of a shell

2 / 18

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

E = mc

E = mc^2

E = 2mc^2

E = mc/2

3 / 18

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

Proton, Electron, Positron

Neutron, Electron, Positron

Proton, Neutron, Electron

Proton, Neutron, Positron

4 / 18

What is the atomic mass of a proton in grams?

1.6747 x 10^-24

1.6838 x 10^-24

1.6605 x 10^-24

1.6724 x 10^-24

5 / 18

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

1/18 the mass of a carbon 12 nucleus

1/6 the mass of a carbon 12 nucleus

1/24 the mass of a carbon 12 nucleus

1/12 the mass of a carbon 12 nucleus

6 / 18

What is the mass defect (Δm)?

The sum of the masses of the protons and neutrons

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

The mass of the electrons in an atom

The mass of the protons in an atom

7 / 18

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

Electron

Neutron

Positron

Proton

8 / 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

9 / 18

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

Z + A

Z - A

A - Z

A + Z

10 / 18

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

11 / 18

Which shell has a maximum total of 50 electrons?

3 (M) shell

2 (L) shell

4 (N) shell

5 (O) shell

12 / 18

How is the binding energy of a nucleus related to its 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

It is the energy required to form the mass defect

It has no relationship to the mass defect

13 / 18

What is the mass of a neutron?

1/1838 that of a proton

1.6747 x 10^-24 grams

1.6605 x 10^-24 grams

1.6724 x 10^-24 grams

14 / 18

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

There are more protons

They are equal

The relationship varies

There are more electrons

15 / 18

What does the atomic mass number (A) represent?

The total number of protons in the nucleus

The number of electrons in the atom

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

The sum of the number of protons and electrons

16 / 18

How is the binding energy per nucleon calculated?

BE - A

BE * A

BE + A

BE/A

17 / 18

What defines isotopes of an element?

Same atomic number and same atomic weights

Same atomic number, but different atomic weights

Different atomic numbers, but same atomic weights

Different atomic numbers and different atomic weights

18 / 18

What does the term "isotopes" refer to?

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 weight, but different atomic numbers

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

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