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WorksheetsSE Review - All Topics
Total questions: 100
Worksheet time: 25hrs 0mins
The correct name of Cu₃N₂ is
copper (III) nitride
copper (II) nitride
copper nitride
tricopper dinitride
What is the correct name for MgI₂?
Manganese IV iodide
Manganese diiodide
Magnesium iodide
Magnesium diiodide
Which is the correct molecular structure for carbon dioxide CO2?
Which of the following is the correct Lewis dot between Rb and O?
What molecular shape could this be?
trigonal planar
trigonal pyramid
bent
tetrahedral
What shape would CCl4 have?
tetrahedral
trigonal pyramid
bent
trigonal planar
Name this compound: NH4F
Ammonia fluoride
Ammonium fluorite
Ammonia fluorate
Ammonium fluoride
Which of the following is a physical property?
color
burning
neutralizing
releasing a gas
What can only be separated by chemical means?
element
heterogeneous mixture
compound
solution
Freezing point is what kind of property?
Extensive Physical
Intensive Physical
Extensive Chemical
Intensive Chemical
What environmental element assists rusting?
nitrogen
oxygen
carbon
hydrogen
Which metals rusts?
Copper
manganese
iron
potassium
All of the following are indicators of a chemical reaction except one. Which one is NOT an indicator that a chemical reaction has taken place?
the production of heat or light
a color change
the production of gas bubbles
the dissolving of one substance in another
Hydrogen peroxide breaks down to form water and oxygen gas. A thermometer indicates an increase in temperature. Which observation is evidence that a chemical reaction has occurred?
The mass of the solution remains the same.
Phase changes are observed.
The color of the solution remains clear.
The temperature of the solution increases.
Which properties do solids have?
definite shape and volume
no definite shape and a definite volume
no definite shape and no definite volume
What properties do liquids have?
definite shape and volume
no definite shape and a definite volume
no definite shape and no definite volume
Easily compressed
Solid
Liquid
Gas
The particle diagram shown is a:
pure substance
mixture
The particle diagram shown is a:
pure substance
mixture
Which picture(s) represents a mixture between two elements?
A
B
C
A and C
Which picture(s) represents a mixture between an element and a compound?
A
B
D
B and D
The idea of arranging the elements in the periodic table according to their chemical and physical properties is attributed to
Moseley
Mendeleev
Dalton
Democritus
The person whose work led to a periodic table based on increasing atomic number was
Dmitri Mendeleev
Henry Moseley
John Dalton
J.J. Thomson
Which statement correctly and completely identifies a trend?
Atomic radius decreases across a period and increases down a group.
Electronegativity decreases across a period and decreases down a group.
Ionization energy increases across a period and increases down a group.
Ionic radius increases across a period and increases down a group.
The reason that Noble Gases do not react is because
Their outer electron shell is filled
Their inner electron shell is filled
They are able to bond to fill their outer shell
None of the above, Noble Gases are highly reactive
Highly reactive
Alkali metal
Noble gases
Rare earth metals
Neon
Which family(group) of metals have two electrons in the outer most energy level?
Lanthanides
Halogens
Oxygen family
Alkaline earth metals
------ are good conductors of heat and electricity (pick all that apply)
Transition metals
alkali metals
Non metals
alkaline earth metals
Which alkali metal is most reactive out of the following
rubidium
potassium
sodium
lithium
Which element has the greater ionization energy?
Magnesium (Mg)
Phosphorus (P)
Who arranged the known elements into horizontal rows of increasing atomic mass leaving gaps for as yet undiscovered elements?
Mendeleev
Meyer
Newlands
Moseley
Who suggested that the physical and chemical properties were related to the atomic number, rather than atomic mass?
Meyer
Mendeleev
Moseley
Newlands
How many electrons can a d sublevel hold?
14
10
2
6
How many orbitals does an s sublevel have?
1
3
5
7
How many orbitals does an f sublevel have?
1
3
5
7
How many electrons can an p sublevel hold?
5
10
6
2
This could be the dot diagram of
Mg
Cl
C
O
How many valence electrons should Lithium have in its Lewis dot model?
1
2
3
4
The mass # tells us the mass of the atom. Which two subatomic particles make up the mass of the atom?
protons and electrons
neutrons and electrons
Kyrontrons and Kytrons
protons and neutrons
What can you do to find the number of neutrons in an atom?
It's the same as the atomic #.
Ask Sierra!
Subtract the atomic # (protons) from the mass # (protons and neutrons)
Multiply the mass # (protons and neutrons) and the atomic # (protons)
What is the average mass of this element?
A wave with a large wavelength will have a ______ frequency and _____ energy
high, low
high, high
low, high
low, low
What is this element?
1s22s22p63s23p64s23d104p6
Argon
Krypton
Selenium
Bromide
What is the electron configuration of this atom?
1s22s83s84s1
1s22s22p63d84s1
1s22s22p62d83s1
1s22s22p63s23p64s1
How many moles does 17.3 grams of silver (Ag) represent?
0.100 mole
0.020 mole
0.160 mole
0.320 mole
How many octane molecules would be in 8.4 moles of octane (C8H18)?
5.77 x 1023
5.04 x 1024
5.77 x 1026
5.04 x 1023
What is the empirical formula for C4H6?
CH
CH3
C2H3
C4H6
What is the molecular formula for a compound with the empirical formula: K2SO4 and a molecular mass of 696g.
K2SO4
K8SO16
K8S4O8
K8S4O16
