Science: Middle School: Grades 6, 7 and 8 Quiz - Atoms and Elements 2 (Questions)

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The atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons.

See how much you know in our second Science quiz on Atoms and Elements.

1. The smallest part of an element that retains the identity (and the chemical properties) of that element is ...
[ ] A chemical
[ ] A molecule
[ ] An atom
[ ] An electron
2. An element has.....
[ ] Four names
[ ] One name
[ ] Three names
[ ] Two names
3. How many atoms of sulfur are there in CuSO4?
[ ] Four
[ ] One
[ ] Three
[ ] Two
4. What is the correct formula for H-H?
[ ] 2H
[ ] H1H1
[ ] H2
[ ] H22
5. What is the correct symbol for Iron?
[ ] Fe
[ ] FE
[ ] fe
[ ] Ir
6. Most of the elements in the periodic table are.....
[ ] Gases
[ ] Liquids
[ ] Metals
[ ] Non metals
7. Which of the following metals is a liquid at room temperature?
[ ] Lithium
[ ] Magnesium
[ ] Mercury
[ ] Sodium
8. Which elements are in SO2?
[ ] Sodium and oxygen
[ ] Strontium and oxygen
[ ] Sulfur and oxygen
[ ] Tin and oxygen
9. Which elements are in CoCO3?
[ ] Cobalt, carbon, oxygen
[ ] Cobalt, copper
[ ] Copper, carbon, oxygen
[ ] Copper, chlorine, oxygen
10. Which are the three magnetic elements?
[ ] Cobalt, nickel, iron
[ ] Copper, nickel, iron
[ ] Iron, aluminum, copper
[ ] Iron, zinc, copper
Science: Middle School: Grades 6, 7 and 8 Quiz - Atoms and Elements 2 (Answers)
1. The smallest part of an element that retains the identity (and the chemical properties) of that element is ...
[ ] A chemical
[ ] A molecule
[x] An atom
[ ] An electron
2. An element has.....
[ ] Four names
[x] One name
[ ] Three names
[ ] Two names
3. How many atoms of sulfur are there in CuSO4?
[ ] Four
[x] One
[ ] Three
[ ] Two
4. What is the correct formula for H-H?
[ ] 2H
[ ] H1H1
[x] H2
[ ] H22
5. What is the correct symbol for Iron?
[x] Fe
[ ] FE
[ ] fe
[ ] Ir
The latin word for iron is ferrum
6. Most of the elements in the periodic table are.....
[ ] Gases
[ ] Liquids
[x] Metals
[ ] Non metals
7. Which of the following metals is a liquid at room temperature?
[ ] Lithium
[ ] Magnesium
[x] Mercury
[ ] Sodium
Mercury can be found in many thermometers
8. Which elements are in SO2?
[ ] Sodium and oxygen
[ ] Strontium and oxygen
[x] Sulfur and oxygen
[ ] Tin and oxygen
9. Which elements are in CoCO3?
[x] Cobalt, carbon, oxygen
[ ] Cobalt, copper
[ ] Copper, carbon, oxygen
[ ] Copper, chlorine, oxygen
10. Which are the three magnetic elements?
[x] Cobalt, nickel, iron
[ ] Copper, nickel, iron
[ ] Iron, aluminum, copper
[ ] Iron, zinc, copper