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WorksheetsMatter Review
Total questions: 50
Worksheet time: 45mins
What does the 1.00794 stand for?
Hydrogen
atomic number
atomic mass
atomic explosion
What subatomic particle(s) would be found orbiting the nucleus?
Neutrons only
Electrons only
Protons and Neutrons
Protons and Electrons
What is the formula to solve for the neutron?
Mass + Atomic Number= Neutrons
Mass x Atomic Number = Neutrons
Atomic Mass - Proton Number = Neutrons
Mass + Number of Protons = Neutron
How many neutrons does the an element with an atomic number of 3 and a mass of 7 contain?
6.9
4
3
7
The vertical (up and down) columns in the Periodic Table are called
groups
towers
periods
atomic numbers
The horizontal (side to side) rows in the Periodic Table are called
groups
families
periods
atomic numbers
how many rows are on the table
4
5
6
7
what is the biggest group on the table
metals
nonmetals
metaloids
halogens
how many groups/families are on the table
15
16
17
18
where are the metaloids found
far left, vertical
stair step/diagonal
far right horizontal
at the bottom
what is the small group of elements called that include C,N,O
metals
nonmetals
metaloids
noble gases
symbols must have at least
1 cap. letter
2 cap. letters
2 lower case letters
any letter you want
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
2 or more different elements that are bonded together is called...
A. element
B. compound
C. mixture
D. solution
What is CO2 and example of?
element
molecule
compound
What is the left part of a chemical equation called?
2H2 + O2 ---> 2H2O
Reactants
Yields
Products
Chemical equation
What is the right part of a chemical equation called?
2H2 + O2 ---> 2H2O
Reactants
Yields
Products
Chemical Equation
Is the following equation balanced?
Al + O2 ---> 2Al2O3
YES
NO
Is the following equation balanced?
4Fe + 3O2 ---> 2Fe2O3
YES
NO
In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
Mg and O
Mg and MgO
MgO
O and MgO
How many Oxygen atoms are in 2SO4?
1
2
4
8
Which particle identifies the element?
Protons
Neutrons
Electrons
