Chemistry Unit Review Part 2 Question Preview (ID: 55935)


Second Part Of Chemistry Unit Review. TEACHERS: click here for quick copy question ID numbers.

What does the law of conservation of matter state about a chemical equation?
a) The number of reactant atoms needs to equal the number of product atoms
b) The number of reactant atoms needs to be less than the number of product atoms
c) The number of reactant atoms needs to be greater than the number of product atoms
d) It does not apply

How do you know if a substance is an element or a compound?
a) Elements are just one, compounds are 2 or more DIFFERENT elements
b) Elements are 2 or more and compounds are one
c) Elements are just one, compounds are 2 or more SAME elements
d) THey are the same

What type of chemical bond is between a metal and a nonmetal?
a) Ionic
b) Covalent
c)
d)

What type of bond is between a metal and a metal?
a) Covalent
b) Ionic
c)
d)

What type of bond is when one atom gives up electrons to another?
a) Ionic
b) Covalent
c)
d)

How many ATOMS are in 2NaCl?
a) 4
b) 3
c) 1
d) 2

How many ELEMENTS are in 2NaCl?
a) 2
b) 3
c) 1
d) 4

What is another name for columns on the periodic table?
a) Groups/Families
b) Periods
c) Rows
d) horizontal lines

What is another name for rows on the periodic table?
a) Periods
b) Groups
c) Families
d) Columns

If elements are in the same column on the periodic table, what do they have in common?
a) Same number of valence electrons
b) Same number of electron shells
c) Same symbol
d) Same atomic number

If elements are in the same row on the periodic table, what do they have in common?
a) Same number of electron shells
b) Same number of valence electrons
c) Same atomic number
d) Same mass number

Metals are located where on the periodic table?
a) Left of the zigzag line
b) Right of the zigzag line
c) One the zigzag line
d) There are no metals on the periodic table

Nonmetals are located where on the periodic table?
a) Right of the zigzag line
b) Left of the zigzag line
c) On the zigzag line
d) There are no nonmetals on the periodic table

What are valence electrons?
a) Outer most electrons
b) All electrons
c) Inner most electrons
d)

Which two subatomic particles are relatively the same size in mass?
a) Protons and Neutrons
b) Electrons and Protons
c) Electrons and Neutrons
d) Neutrons and Electrons

What particles are found inside the nucleus of an atom?
a) Protons and Neutrons
b) Electrons and Protons
c) Electrons
d) Protons

How do you calculate the number of electrons in an atom?
a) Looking at the atomic number or number of protons
b) Mass number minus the atomic number
c) Mass number plus the atomic number
d) Number of neutrons

How do you calculate the number of neutrons in an atom?
a) Mass number minus atomic number
b) atomic number
c) number of electrons
d) mass number plus atomic number

Which is NOT a subatomic particle?
a) Mass
b) Protons
c) Neutrons
d) Electrons

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