Atomic structure, ions, isotopes

Atomic structure, ions, isotopes

KG - University

25 Qs

quiz-placeholder

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Atomic structure, ions, isotopes

Atomic structure, ions, isotopes

Assessment

Quiz

Chemistry

KG - University

Medium

NGSS
MS-PS1-1, HS-PS1-8, HS-PS1-1

Standards-aligned

Created by

MRU GOVANDE

Used 111+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The mass number of an element that has18 protons, 18 electrons, and 19 neutrons is _____.
12.5
13
25
37

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.
9
10
19
28

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the number of electrons in an atom changes you make a(n) __________________.
ion
isotope
new element
isomer

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Carbon-12 has 98.2% abundance, carbon-13 has 1.7% abundance, and carbon-14 has 0.1% abundance.  Which isotope contributes most to the average atomic mass?
Carbon-12
Carbon-13
Carbon-14
They all contribute equally

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many neutrons does uranium-239 have
92
147
239
331

Tags

NGSS.HS-PS1-8

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which particle contributes least to the total mass of an  atom?
Proton
Neutron
Electron
Nucleus

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Atomic Number:  26
Neutrons:  30
Electrons:  25
Normal Atom
Isotope
Anion
Cation

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