Matter, Atoms And Ions: Question Preview (ID: 547)

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Matter is anything that has...
a) mass
b) volume
c) mass and volume
d) none of the above

Density is...
a) the amount of mass per volume something has D= m/v
b) the amount of volume per mass something has D= v/m
c) the same thing as how much something weighs
d) the amount of space something takes up

The building blocks of all matter are...
a) ions
b) atoms
c) compounds
d) your mom

On the periodic table, an element's atomic mass is made of...
a) its number of protons only
b) its number of electrons and neutrons
c) its number of protons and electrons
d) its number of protons and neutrons

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) the atomic structure of atoms is changed and/or cannot be returned back to its original state
c) there is a color change
d) there is a change in state (solid, liquid, gas)

Which of these is an example of a chemical change?
a) ice melting into liquid water
b) water boiling and becoming a gas
c) paper burning
d) paper ripping

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) pure electrons
b) compounding electrons
c) vanity electrons
d) valence electrons

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) compound
b) ion
c) element
d) proton

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) 58
c) 22
d) -20

Which of these is NOT a compound?
a) table salt (NaCl)
b) sulfur (S)
c) water (H^2 0)
d) baking soda (NaHCO^3)

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