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Science
9th
grade
What Is An Atom | Atoms and Molecules | Assessment | English | Grade 9
6 questions
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- 1. Multiple Choice
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
What is the symbol for Cobalt?
Co
CO
C
Cob
- 3. Multiple Choice
Which of the following is the smallest atom in size?
Carbon
Nitrogen
Hydrogen
Oxygen
- 4. Multiple Choice
Which of the following has its symbol derived from its Latin Name?
Sodium
Argon
Hydrogen
Nitrogen
- 5. Multiple Choice
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
What is the symbol for Potassium?
K
P
Ps
Po
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