Atoms

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The charge of an atom is determined by the -
shape of the electron cloud
atomic mass of the element.
radius of the outermost electron.
number of protons and electrons.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following lists the two subatomic particles that contribute the most to the mass of an atom?
Protons and electrons
Protons and neutrons
Neutrons and electrons
Electrons and ions
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following atoms would have a charge of 1?
An atom with 9 protons, 9 electrons, and 9 neutrons
An atom with 7 protons, 11 electrons, and 8 neutrons
An atom with 5 protons, 5 electrons, and 4 neutrons.
An atom with 6 protons, 5 electrons, and 7 neutrons
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The nucleus of the atom contains 8 protons and 9 neutrons. The atom is electrically neutral. How many electrons does this atom have?
4
8
9
15
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many protons does chlorine have?
35
36
17
18
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Silicon has a mass number of 28 and an atomic number of 14. How many protons does it have?
28
14
42
7
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many protons, neutrons, and electrons does sulfur have? It's atomic number is 16 and it's atomic mass is 32.
16 protons, 16 neutrons, and 16 electrons
16 protons, 32 neutrons, and 16 electrons
16 protons, 16 neutrons, and 32 electrons
32 protons, 16 neutrons, and 16 electrons.
Tags
NGSS.MS-PS1-1
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