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- Atom, Elements, and Compound Quiz
Atom, Elements, and Compound Quiz
Check your mastery on this topic right away! Only takes 5 minutes and you surely do great on your exam.
Which of these is the smallest particle?
An atom
A molecule
A speck of dust
1 / 10
Which of these is the correct symbol for magnesium?
MG
mg
Mg
2 / 10
Which statement about atoms and molecule is correct?
Elements always exist as separate atoms
Elements always exist as pairs of atoms called molecules
Elements and compounds can exist as molecules
3 / 10
How many different atoms are there in a compound?
One
Always two
Two or more
4 / 10
Approximately, how many elements are there?
100
40
1,000,000
5 / 10
Which one is a compound?
Water
Hydrogen
Helium
6 / 10
Which of these contains two carbon atoms and six hydrogen atoms?
CH4
C2H6
C2H4
7 / 10
Which of these contains four hydrogen atoms?
CH3OH
H2O
H2O2
8 / 10
How many atoms are there in total in a molecule of sulfur trioxide, SO3?
Two
Three
Four
9 / 10
Why does air not have a definite formula?
It contains different amounts of water depending on where you are
It depends on the temperature
It is not a compound
10 / 10
It is okay.
Smile! It's not the end of the world. You can always try again. Nothing is impossible, right? Believe in yourself and retest. I'm 100% sure you can do it better than before.
NEVER ENOUGH!
Even the moon needs to be in the darkness to shine. You are so much capable than this. Let's try again.
Highly Intelligent!
There must be something in your DNA that makes you this amazingly smart! You should embrace yourself by learning more about Atom, Elements, and Compound. Who knows you can be the next Marie Curie?