Which of the following best describes isotopes?

Atoms with the same number of protons but different numbers of neutrons

Atoms with the same number of neutrons but different numbers of protons

Atoms with the same number of electrons but different numbers of protons

Atoms with different numbers of electrons and protons

Which of the following pairs are isotopes of each other?

$$^{12}_{6}\text{C}$$ and $$^{14}_{6}\text{C}$$

$$^{12}_{6}\text{C}$$ and $$^{12}_{7}\text{N}$$

$$^{14}_{7}\text{N}$$ and $$^{14}_{6}\text{C}$$

$$^{16}_{8}\text{O}$$ and $$^{16}_{7}\text{N}$$

Which statement correctly compares two isotopes of chlorine: $$^{35}_{17}\text{Cl}$$ and $$^{37}_{17}\text{Cl}$$ ?

They have the same number of protons but different numbers of neutrons.

They have the same number of neutrons.

They have different numbers of protons.

They have different numbers of electrons.

Given the isotope notation $$^{31}_{15}\text{P}$$ , determine the number of protons, neutrons, and electrons in a neutral atom.

15 protons, 16 neutrons, 15 electrons

16 protons, 15 neutrons, 16 electrons

15 protons, 31 neutrons, 15 electrons

31 protons, 15 neutrons, 16 electrons

Which of the following statements best explains why isotopes of the same element have nearly identical chemical properties?

They have the same number of protons and electrons.

They have the same number of neutrons.

They have the same mass number.

They have different numbers of protons.

Which of the following statements is true about the electrons in the Bohr model of the hydrogen atom?

The electron can only exist in specific energy levels.

The electron can exist at any distance from the nucleus.

The electron is found in the nucleus.

The electron is shared between two nuclei.

Which of the following best explains why the mass number of an atom is not a decimal value?

It is the sum of protons and neutrons, both of which are whole numbers.

It is the sum of protons and electrons.

It is the average of all isotopes.

Exploring Atomic Structure and Isotopes

Quiz

•

Chemistry

•

11th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS1-1, HS-PS1-8

Standards-aligned

Akilah Hill

Used 5+ times

FREE Resource

33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the subatomic particle that determines the atomic number of an element?

Neutron

Proton

Electron

Positron

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct scientific notation for 0.00056?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the mass number of an atom represent?

Number of protons only

Number of neutrons only

Number of protons and neutrons

Number of electrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct isotope notation for an atom with 6 protons and 8 neutrons?

What is the hyphen notation for an isotope of oxygen with a mass number of 18?

Oxygen-8

Oxygen-16

Oxygen-18

Oxygen-10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which subatomic particle is not found in the nucleus of an atom?

Proton

Neutron

Electron

Both A and B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the atomic number of an atom with 17 protons?

17

34

8

1

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Exploring Atomic Structure and Isotopes

33 questions

What is the subatomic particle that determines the atomic number of an element?

Which of the following is the correct scientific notation for 0.00056?

What does the mass number of an atom represent?

Which of the following is the correct isotope notation for an atom with 6 protons and 8 neutrons?

What is the hyphen notation for an isotope of oxygen with a mass number of 18?

Which subatomic particle is not found in the nucleus of an atom?

What is the atomic number of an atom with 17 protons?

Which of the following best describes isotopes?

Which of the following is the correct scientific notation for 3,200,000?

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