Atomic Structure

Atomic Structure

10th - 12th Grade

20 Qs

quiz-placeholder

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Atomic Structure

Atomic Structure

Assessment

Quiz

Chemistry

10th - 12th Grade

Medium

NGSS
HS-PS1-1, HS-PS1-7, HS-PS1-8

+1

Standards-aligned

Created by

Dava Reischman

Used 52+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hydrogen has three isotopes with mass numbers of 1, 2, and 3 and has an average atomic mass of 1.00794 amu. This information indicates that

equal numbers of each isotope are present

more isotopes have an atomic mass of 2 or 3 than of 1

more isotopes have an atomic mass of 1 than of 2 or 3

isotopes have only an atomic mass of 1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which electron shell in an atom of calcium in the ground state has an electron with the greatest amount of energy?

1

2

3

4

Tags

NGSS.HS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An orbital is a region in an atom where there is a high probability of finding

an alpha

an electron

a neutron

a positron

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In all atoms of bismuth, the number of electrons must equal the

number of protons

number of neutrons

sum of the number of neutrons and protons

difference between the number of neutrons and protons

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement describes the earliest model of the atom?

An atom is an indivisible hard sphere

An atom has a small, dense nucleus

Electrons are negative particles in an atom

Electrons in an atom have wave-like properties.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Atoms are neutral because the number of

protons equals the number of neutrons

protons equals the number of electrons

neutrons is greater than the number of protons

neutrons is greater than the number of electrons

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An ion that consists of 7 protons, 9 neutrons, and 10 electrons has a net charge of

-2

+2

+3

-3

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