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Matter, Atoms And Ions
Test Description: These games will help you study and review for our unit test on matter, atoms, compounds and ions.
Instructions: Answer all questions to get your test result.
1) Matter is anything that has...
A
mass and volume
B
none of the above
C
mass
D
volume
2) Density is...
A
the same thing as how much something weighs
B
the amount of mass per volume something has D= m/v
C
the amount of volume per mass something has D= v/m
D
the amount of space something takes up
3) The building blocks of all matter are...
A
atoms
B
compounds
C
your mom
D
ions
4) On the periodic table, an element's atomic mass is made of...
A
its number of protons and electrons
B
its number of electrons and neutrons
C
its number of protons only
D
its number of protons and neutrons
5) A chemical change takes place when
A
the atomic structure of atoms stays the same and/or can be returned to its original state
B
there is a change in state (solid, liquid, gas)
C
there is a color change
D
the atomic structure of atoms is changed and/or cannot be returned back to its original state
6) Which of these is an example of a chemical change?
A
water boiling and becoming a gas
B
paper burning
C
ice melting into liquid water
D
paper ripping
7) The electrons in the outermost cloud of an atom that determine whether an atom will combine with another to form a compound are called
A
compounding electrons
B
vanity electrons
C
pure electrons
D
valence electrons
8) When sodium combines with chlorine to form salt, sodium loses an electron and chlorine gains an electron. Each separate atom is now called a what?
A
element
B
ion
C
proton
D
compound
9) Argon is an element that has an atomic number of 18. It has an atomic mass of 40. How many neutrons are there in Argon?
A
18
B
-20
C
22
D
58
10) Which of these is NOT a compound?
A
sulfur (S)
B
baking soda (NaHCO^3)
C
water (H^2 0)
D
table salt (NaCl)
*select an answer for all questions
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