CHM 1020 - Final Exam Study Guide ACTUAL UPDATED QUESTIONS AND
CORRECT ANSWERS
The quantity 0.0000064 g expressed in scientific notation 6.4 x 10^-6
is ______ _.
A substance that can be broken down into 2 or more compound
simpler substances only by chemical methods is called
a(n)
Which is not a mixture? sodium chloride
which substance is an element? N2
The majority of new smartphones being released have 12.7 cm
displays that are at least 5.00 inches in size. What is this
size in centimeters? (There are 2.54 cm in one inch.)
, which one of the following is a subatomic particle Proton
located in the center of the atom and has a positive
charge?
What are the three pillars of sustainability? Environmental, social, economic
Oxidation and reduction of atoms involves a change in Electrons
the number of ______in the atom.
One of the lightest smartphones on the market today 254 g
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?
2.3 x 10^6 meters is the same _________________ meters. 2,300,000
How many protons and neutrons, respectively, are in an Protons: 17
atom of chlorine (mass #35)? Neutrons: 18
For the Ionic compound NaCl, what is the charge on the + 1
sodium ion?
Which of the following is a diatomic molecule: Hydrogen Hydrogen (H2)
(H2), Aluminum (Al), Sulfur(S8) or Carbon (C)?
What is the correct answer to the following problem (w. 72
the correct # of significant figures)(3..123) + 45.7 = ?
One of the 3 pillars of sustainability, resulting in a better Social
quality of life for all
The Atomic # of fluorine 9
Anything that occupies space and has mass matter
Tea would be an example of a Homogeneous Mixture
A molecule composed of a metal atom and a nonmetal Ionic
atom
CORRECT ANSWERS
The quantity 0.0000064 g expressed in scientific notation 6.4 x 10^-6
is ______ _.
A substance that can be broken down into 2 or more compound
simpler substances only by chemical methods is called
a(n)
Which is not a mixture? sodium chloride
which substance is an element? N2
The majority of new smartphones being released have 12.7 cm
displays that are at least 5.00 inches in size. What is this
size in centimeters? (There are 2.54 cm in one inch.)
, which one of the following is a subatomic particle Proton
located in the center of the atom and has a positive
charge?
What are the three pillars of sustainability? Environmental, social, economic
Oxidation and reduction of atoms involves a change in Electrons
the number of ______in the atom.
One of the lightest smartphones on the market today 254 g
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?
2.3 x 10^6 meters is the same _________________ meters. 2,300,000
How many protons and neutrons, respectively, are in an Protons: 17
atom of chlorine (mass #35)? Neutrons: 18
For the Ionic compound NaCl, what is the charge on the + 1
sodium ion?
Which of the following is a diatomic molecule: Hydrogen Hydrogen (H2)
(H2), Aluminum (Al), Sulfur(S8) or Carbon (C)?
What is the correct answer to the following problem (w. 72
the correct # of significant figures)(3..123) + 45.7 = ?
One of the 3 pillars of sustainability, resulting in a better Social
quality of life for all
The Atomic # of fluorine 9
Anything that occupies space and has mass matter
Tea would be an example of a Homogeneous Mixture
A molecule composed of a metal atom and a nonmetal Ionic
atom
