WorksheetsSBA Reviewer
Total questions: 35
Worksheet time: 19mins
Which of the following are the same for all neutral atoms of Carbon (C)?
I. Electrons
II. Neutrons
III. Protons
I and II
I and III
II and III
I, II, and III
How many protons, electrons, and neutrons are in the neutral atom of sulfur?
18 protons, 16 electrons, and 18 neutrons
16 protons, 18 electrons, and 18 neutrons
18 protons, 16 electrons, and 16 neutrons
16 protons, 16 electrons, and 16 neutrons
Which statement below DOES NOT describe a proton?
It carries a positive charge.
It is heavier than the electron.
It mores rapidly around the nucleus.
It has approximately the same mass as a neutron.
How many electrons does the ion 1531X−3 contain?
12
18
28
34
Which of the electron configuration below belongs to a stable atom?
1s2 2s2 2p6
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2 3p1
How many electron arrangements does Mg2+ ion contain in each energy level?
2, 2
2, 8
2, 8, 2
2, 8, 8
Which statement BEST describes the particles of a substance in solid state?
They are not moving at all.
They slide over each other.
They move about at a great speeds.
They vibrate and rotate about a fixed position.
Which is a TRUE statement about the comparison below?
atomic numbers.
number of protons.
number of neutrons.
number of electrons.
Based on the Periodic Table of Elements, which gas will diffuse the fastest?
Chlorine
Fluorine
Helium
Oxygen
Which statement BEST describes the particles of a substance in a gaseous state?
They
are not moving at all.
slide over each other.
move about at a great speeds.
vibrate and rotate about a fixed position.
Which is a FALSE statement about the Kinetic Particle Theory of Matter?
It explains why liquid water has a fixed volume.
It explains why oxygen gas can be compressed.
It describes the orderly arrangement of particles of solid iron.
It describes how sugar changes color when it is strongly heated.
Which is the best process when separating three water soluble dyes?
Filtration
Distillation
Evaporation
Chromatography
The BEST method to use in separating salt and mothball crystals
filtration.
distillation.
evaporation.
sublimation.
Which of the following substances has the GREATEST mass?
1 mol of SO2
2 mol of N2O
2 mol of Ar
4 mol of NH3
What is the approximate molar mass of CuSO4 x 5H2O?
160 g
178 g
250 g
890 g
The equation for the reaction between nitrogen and hydrogen is shown below:
N2 + 3H2 --> 2NH3
Which is TRUE about this reaction?
28 g of N2 can produce 34 g of NH3
2 g of NH3 can be obtained from 3g of H2
4 moles of H2 can produce 2 moles of NH3
14 g of N2 reacts with 3 g of H2
What is the sum of the coefficients when you balance the equation below:
__H2O + __CO2 --> __C8H12O6 + __O2
22
23
24
25
What mass, in grams, of hydrogen is formed when 3 mol of aluminum reacts with excess hydrochloric acid according to the following reaction?
2Al + 6HCl --> 2AlCl3 + 3H2
3.0
4.5
6.0
9.0
What is the formula of magnesium hydroxide?
Mg(OH)2
MgOH
MgH
MgH2
Which substance contains ionic bonds?
Water
Helium
Carbon dioxide
Aluminum oxide
Which of the following DOES NOT describe an ionic compound?
Ionic compounds are made of cations and anions.
The valence electrons are shared by the ions.
The electrons lost by the carbon are gained by the anion.
Ionic compounds are composed of metals and non-metals.
The formula for diphosphorus pentoxide is
P2O5
P5O2
P2O7
P7O2
Which diatomic molecule below has the STRONGEST covalent bond?
N2
O2
H2
F2
An anion is an atom that has
more protons than neutrons.
more electrons than protons.
more protons than electrons.
none of the above.
An iodine atom that gains an electron will form an ion with a
-2 charge.
-1 charge.
+2 charge.
+1 charge.
How many electrons are shared in a water molecules?
2
4
6
8
Which of the following are weak acids?
I. Vinegar
II. Lemon Juice
III. Battery Acid
I and II only
I and III only
II and III only
I, II, and III
Which statement is TRUE for all aqueous solutions of acids?
They produce Hydrogen gas when added to gold.
They have a pH lower than 7.
They react with ammonium chloride to produce ammonia.
They have a pH higher than 7.
Which of the following compounds can neutralize the acidity of soil?
Ammonium phosphate
Calcium chloride
Calcium hydroxide
Sodium nitrate
A certain oxide can react with concentrated acids or alkalis to form salt and water. This oxide is classified as
acidic.
basic.
amphoteric.
neutral.
Burning of fossil fuels during combustion produces harmful gases. Which of the following products of combustion is responsible for the formation of acid rain?
Carbon monoxide
Carbon dioxide
Nitrogen oxide
Sulfur dioxide
Which describes the particles in a liquid? They
are attracted to one another.
are packed closely together.
take the shape of the container.
vibrate about in fixed positions.
We can smell fragrances or perfumes because their particles
diffuse.
dissolve.
sublimate.
condense.
Which of the following has particles moving the LEAST?
Cold air
A sheet of iron
Stagnant water
Carbon dioxide gas
Which of these processes involves the weakening of the attraction between particles?
Freezing
Evaporation
Condensation
Crystallization
