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9th
grade

Science

88%

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10

plays

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2 years

Science

9th

grade

What Is An Atom | Atoms and Molecules | Assessment | English | Grade 9

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10
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6 questions

6 questions

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1. Multiple Choice
30 seconds
1 pt
Name the scientist who proposed the symbol of element be made from one or two letters of the name of the element.
Dalton
Proust
Lavoisier
Berzelius
2. Multiple Choice
30 seconds
1 pt
What is the symbol for Cobalt?
Co
CO
C
Cob
3. Multiple Choice
30 seconds
1 pt
Which of the following is the smallest atom in size?
Carbon
Nitrogen
Hydrogen
Oxygen
4. Multiple Choice
30 seconds
1 pt
Which of the following has its symbol derived from its Latin Name?
Sodium
Argon
Hydrogen
Nitrogen
5. Multiple Choice
30 seconds
1 pt
1 atomic mass unit is equal to ______________ .
exactly one-twelfth the mass of carbon-12
exactly one-tenth the mass of carbon-12
exactly one-fourth the mass of carbon-12
none of the above
6. Multiple Choice
30 seconds
1 pt
What is the symbol for Potassium?
K
P
Ps
Po
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