Elements and Atoms Review
Authored by Spencer Austin
Chemistry
8th - 10th Grade
Used 31+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of substance cannot be broken down into simpler substances?
Elements
Compounds
Mixtures
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many elements do we know of today?
90
118
217
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest piece of matter that can still be identified as its element?
Protons
Atoms
Nucleus
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who was the FIRST person to suggest matter was made up of atoms?
Democritus
John Dalton
Dmitri Mendeleev
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What particles exist within the nucleus of the atom? Choose ALL that apply.
Protons
Neutrons
Electrons
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which particles have an electrical charge (positive OR negative)? Select all that apply.
Protons
Neutrons
Electrons
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which particles have a mass of about 1 atomic mass unit (amu)? Select all that apply.
Protons
Neutrons
Electrons
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