CHEM 1020 FINAL EXAM 184 FINAL PAPER
2026 STUDY GUIDE DETAILED ANSWERS
READY
◉ A substance that can be broken down into 2 or more simpler
substances only by chemical methods is called a(n)
Answer: compound
◉ Which is not a mixture?
Answer: sodium chloride
◉ which substance is an element?
Answer: N2
◉ The majority of new smartphones being released have displays
that are at least 5.00 inches in size. What is this size in centimeters?
(There are 2.54 cm in one inch.)
Answer: 12.7 cm
◉ which one of the following is a subatomic particle located in the
center of the atom and has a positive charge?
Answer: Proton
,◉ What are the three pillars of sustainability?
Answer: Environmental, social, economic
◉ Oxidation and reduction of atoms involves a change in the number
of __________ in the atom.
Answer: Electrons
◉ One of the lightest smartphones on the market today weighs 113
g. To protect your phone, you may want to use a screen protector,
which weighs 27.2 g, and a heavy duty case which weighs 114 g.
What is the total weight of the phone, screen protector, and case?
Answer: 254 g
◉ 2.3 x 10^6 meters is the same _________________ meters.
Answer: 2,300,000
◉ How many protons and neutrons, respectively, are in an atom of
chlorine (mass #35)?
Answer: Protons: 17
Neutrons: 18
,◉ For the Ionic compound NaCl, what is the charge on the sodium
ion?
Answer: + 1
◉ Which of the following is a diatomic molecule: Hydrogen (H2),
Aluminum (Al), Sulfur(S8) or Carbon (C)?
Answer: Hydrogen (H2)
◉ What is the correct answer to the following problem (w. the
correct # of significant figures)(3..123) + 45.7 = ?
Answer: 72
◉ One of the 3 pillars of sustainability, resulting in a better quality of
life for all
Answer: Social
◉ The Atomic # of fluorine
Answer: 9
◉ Anything that occupies space and has mass
Answer: matter
◉ Tea would be an example of a
, Answer: Homogeneous Mixture
◉ A molecule composed of a metal atom and a nonmetal atom
Answer: Ionic
◉ The quantity 8.7 x10^5 g expressed in a standard decimal
notation.
Answer: 870,000 g
◉ On a Periodic Table, the column of elements with similar
properties are
Answer: groups
◉ The most numerous of the elements are the
Answer: metals
◉ Which is not a pure substance?
Answer: air
◉ Which one of the following is a subatomic particle located in the
center of the atom and has no charge?
Answer: neutrons
2026 STUDY GUIDE DETAILED ANSWERS
READY
◉ A substance that can be broken down into 2 or more simpler
substances only by chemical methods is called a(n)
Answer: compound
◉ Which is not a mixture?
Answer: sodium chloride
◉ which substance is an element?
Answer: N2
◉ The majority of new smartphones being released have displays
that are at least 5.00 inches in size. What is this size in centimeters?
(There are 2.54 cm in one inch.)
Answer: 12.7 cm
◉ which one of the following is a subatomic particle located in the
center of the atom and has a positive charge?
Answer: Proton
,◉ What are the three pillars of sustainability?
Answer: Environmental, social, economic
◉ Oxidation and reduction of atoms involves a change in the number
of __________ in the atom.
Answer: Electrons
◉ One of the lightest smartphones on the market today weighs 113
g. To protect your phone, you may want to use a screen protector,
which weighs 27.2 g, and a heavy duty case which weighs 114 g.
What is the total weight of the phone, screen protector, and case?
Answer: 254 g
◉ 2.3 x 10^6 meters is the same _________________ meters.
Answer: 2,300,000
◉ How many protons and neutrons, respectively, are in an atom of
chlorine (mass #35)?
Answer: Protons: 17
Neutrons: 18
,◉ For the Ionic compound NaCl, what is the charge on the sodium
ion?
Answer: + 1
◉ Which of the following is a diatomic molecule: Hydrogen (H2),
Aluminum (Al), Sulfur(S8) or Carbon (C)?
Answer: Hydrogen (H2)
◉ What is the correct answer to the following problem (w. the
correct # of significant figures)(3..123) + 45.7 = ?
Answer: 72
◉ One of the 3 pillars of sustainability, resulting in a better quality of
life for all
Answer: Social
◉ The Atomic # of fluorine
Answer: 9
◉ Anything that occupies space and has mass
Answer: matter
◉ Tea would be an example of a
, Answer: Homogeneous Mixture
◉ A molecule composed of a metal atom and a nonmetal atom
Answer: Ionic
◉ The quantity 8.7 x10^5 g expressed in a standard decimal
notation.
Answer: 870,000 g
◉ On a Periodic Table, the column of elements with similar
properties are
Answer: groups
◉ The most numerous of the elements are the
Answer: metals
◉ Which is not a pure substance?
Answer: air
◉ Which one of the following is a subatomic particle located in the
center of the atom and has no charge?
Answer: neutrons
