Atoms, Elements, Molecules, Compounds Question Preview (ID: 46337)


Basic Vocabulary Of Atoms. TEACHERS: click here for quick copy question ID numbers.

What is anything that has mass and takes up space?
a) energy
b) matter
c) protons
d) nucleus

What is the smallest unit of matter?
a) element
b) molecule
c) atom
d) compound

What is a pure substance made up of only one type of atom?
a) element
b) compound
c) atom
d) molecule

What particle has a positive charge?
a) nucleus
b) electron
c) neutron
d) proton

What particle has a negative charge?
a) electron
b) neutron
c) proton
d) nucleus

What particle has a neutral charge?
a) proton
b) neutron
c) electron
d) nucleus

Where are the protons and neutrons located?
a) electron cloud
b) nucleus
c) middle
d) center

Where are the electrons located?
a) nucleus
b) neutrons
c) electron cloud
d) center

How many elements are on the periodic table?
a) 218
b) 294
c) 108
d) 118

What does the atomic number identify?
a) number of neutrons
b) number of protons
c) number of electrons
d) protons plus neutrons

What does the atomic mass identify?
a) number of protons
b) number of electrons
c) protons plus neutrons
d) number of neutrons

What are two or more atoms bonded together? (Can be same or different element)
a) molecule
b) compound
c) element
d) atom

What are two or more different types of elements bonded together?
a) element
b) compound
c) molecule
d) atom

What is the large number in front of a formula that identifies the number of molecules?
a) atoms
b) subscript
c) coefficient
d) the big number

What is the small number which identifies how many atoms of each element are in the formula?
a) atoms
b) element
c) coefficient
d) subscript

All compounds are molecules but all molecules are not compounds.
a) True
b) False
c)
d)

Elements can be molecules.
a) True
b) False
c)
d)

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