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Atom Nucleus

Authored by Charles Martinez

Physics

10th - 11th Grade

NGSS covered

Atom Nucleus
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many neutrons are in a nucleus of the nuclide?

17

20

37

54

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A certain element has several isotopes. Which statement about these isotopes is correct?

They must have different numbers of electrons orbiting their nuclei.

They must have the same number of neutrons in their nuclei.

They must have the same number of nucleons in their nuclei.

They must have the same number of protons in their nuclei.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A neutral atom consists of electrons orbiting a nucleus. The nucleus contains protons and neutrons. Which statement about the atoms must be correct?

The number of electrons is equal to the number of neutrons.

The number of electrons is equal to the number of protons.

The number of neutrons is equal to the number of protons.

The number of electrons, neutrons and protons are all different.

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The picture shows the symbols for five different nuclides. Which two nuclides are isotopes of the same element?

nuclide 1 and nuclide 2

nuclide 2 and nuclide 3

nuclide 2 and nuclide 5

nuclide 4 and nuclide 5

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Below are four statements about isotopes of a certain element. Which statement about the isotopes must be correct?

They are radioactive

They are unstable

They have the same number of neutrons

They have the same number of protons

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is correct for the nucleus of any atoms?

The nucleus contains electrons, neutrons and protons.

The nucleus contains the same number of protons as neutrons.

The nucleus has a total charge of zero.

The nucleus is very small compared with the size of the atom.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which particles are emitted during thermionic emission?

atoms

electrons

neutrons

proton

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