Atomic Structure & Nuclear Chemistry Review

Atomic Structure & Nuclear Chemistry Review

8th Grade - University

50 Qs

quiz-placeholder

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Atomic Structure & Nuclear Chemistry Review

Atomic Structure & Nuclear Chemistry Review

Assessment

Quiz

Science, Physics, Chemistry

8th Grade - University

Hard

Created by

Alain Harvey

Used 31+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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An unstable nucleus loses the most mass if the nucleus emits _____.

an alpha particle

a beta particle

a gamma ray

a neutron

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Magnesium has three naturally occurring isotopes in different percent abundance, Mg–24, Mg–25, and Mg–26. Which of the following isotopes would you expect to have the highest percent abundance?

Mg-24

Mg-25

Mg-26

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Vanadium comprises two isotopes and has an average atomic mass of 50.9415 amu. V-51 has an abundance of 97%. What is the identity and percent abundance of vanadium’s other isotope? 

V-49, with an abundance of 3.0%      

V-50, with an abundance of 3.0%

V-48, with an abundance of 5.0%

V-47, with an abundance of 6.0%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which set of atoms is in the correct order of increasing atomic radii?

Rb < Na < Li

Cl < P < S

He < Ne < Ar

F < As < Ba

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which grouping of circles, when considered in order from the top to the bottom, best represents the relative size of the atoms of Li, Na, K and Rb, respectively?

Media Image
Media Image
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Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The table gives information about the nucleus of each of the four atoms. How many different elements are represented by the nuclei in the table?

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An increase in atomic number is related to an increase in atomic mass because:

more electrons are present in the atomic nucleus.

more electrons are orbiting the atomic nucleus.

more protons are present in the atomic nucleus.

more protons are orbiting the atomic nucleus.

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