Chemistry Practice
Chemistry, Other Sciences
5th - 8th Grade
NGSS covered
Used 183+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the atomic number?
the number of protons
the number of protons and neutrons
the number of neutrons
the number of protons and electrons
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mass number?
the number of protons
the number of protons and neutrons
the number of neutrons
the number of protons and electrons
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the atomic number of this nucleus?
1
3
4
7
Tags
NGSS.HS-PS1-8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mass number of this nucleus?
1
3
4
7
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
CALCIUM
C
Ca
Cu
Cl
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The element that occurs in highest percentage in the crust is
Calcium
Oxygen
Iron
Potassium
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Elements are represented by chemical symbol. Symbols are written with
all lower case letters
all capital letters
always only one letter
At least and ONLY one capital letter
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