GENERAL CHEMISTRY 1 FINAL EXAM
STUDY GUIDE
What has similair chemical properties of oxygen - Correct Answers -Sulfur
A piece of metal ore weighs 8.25 grams. When a student places it into a graduated
cylinder containing water, the liquid level rises from 21.25mL to 26.47mL. What is the
density of the ore? - Correct Answers -1.58g/mL
How many protons (p) and neutrons (n) are in an atom of calcium-46? - Correct
Answers -26 p, 20 n
Which subatomic particle has the smallest mass? - Correct Answers -Protons
Which of the following volumes is equal to 10 mL - Correct Answers -0.00010 mL
A student measured the diameter of a sphere and determined the average value. His
measurments are 5.17 cm, 5.16 cm, 5.16 cm, and 5.17 cm. If the true diameter is 6.18
cm. If the true diameter is 6.18 cm what can be said about the students results? -
Correct Answers -It is precise but not accurate.
The observation that 15.0g of hydrogen reacts with 120.0g of oxygen to form 135.0g of
water is evidence for the law of - Correct Answers -Mass conservation
A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number
in standard scientific notation. - Correct Answers -4.264 x 10^6 m
How many significant figures are there in the answer to the following problem - Correct
Answers -Four
What is not a Fundamental SI unit? - Correct Answers -gram
What are the possible values of l if n=5? - Correct Answers -0, 1, 2, 3 and 4
What is the ground state electron configuration of tellurium - Correct Answers -
[Kr]5s^24d^105p4
Which one of the following statements about temperature is false? - Correct Answers -
The Celcius degree is samller than the Fareinheight degree
, The greater the energy of a photon, the... - Correct Answers -shorter the wavelength
and the higher the frequency
How many electrons can a sigle orbital hold - Correct Answers -2
Bromine belongs to the _____ group on the periodic table - Correct Answers -halogen
The horizantal rows of the periodic table are called? - Correct Answers -periods
The current model of the atom which is essentially all of the atoms mass is contained in
a very small nucleus, whereas most of an atoms volume is due to the space in which
the atoms electrons move was established by - Correct Answers -Rutherfords gold foil
experiment
What is the identity of Q if the ion Q2+ contains ten electrons - Correct Answers -Mg
In which of the following sets do all species have the same number of protons? -
Correct Answers -O, O2-, O2+
How many electrons are in the ion, CO3^2- - Correct Answers -32
The solid compound Na2CO3 contains - Correct Answers -Na+ ions and CO3^2- ions
Which of the following three sets consist of atoms or ions with the same electron
configuration in the ground state? - Correct Answers -(I) O2-, Ne, and Mg2+. (III) Hg,
Tl+ and Pb2+
Which ion has the same electron configuration as Kr? - Correct Answers -All of the
above, Rb+, Se2-, Br-
Which ion has the smallest atomic radius? - Correct Answers -Li+
Which ionization process requires the most energy? - Correct Answers -P3+(g)---->P4+
(g)+e-
Which liberates the most energy? - Correct Answers -Cl(g)+e----->Cl-(g)
What is the trend in ionization energy and electron affinity values? - Correct Answers -
Both increase as one traverses a period from left to right and both decrease as one
descends a group.
how many electrons does magnesium lose and nitrogen need to form Mg3N2? - Correct
Answers -magnesium loses two and nitrogen gains 3
the chemical formula for calcium nitride is? - Correct Answers -Ca3N2
STUDY GUIDE
What has similair chemical properties of oxygen - Correct Answers -Sulfur
A piece of metal ore weighs 8.25 grams. When a student places it into a graduated
cylinder containing water, the liquid level rises from 21.25mL to 26.47mL. What is the
density of the ore? - Correct Answers -1.58g/mL
How many protons (p) and neutrons (n) are in an atom of calcium-46? - Correct
Answers -26 p, 20 n
Which subatomic particle has the smallest mass? - Correct Answers -Protons
Which of the following volumes is equal to 10 mL - Correct Answers -0.00010 mL
A student measured the diameter of a sphere and determined the average value. His
measurments are 5.17 cm, 5.16 cm, 5.16 cm, and 5.17 cm. If the true diameter is 6.18
cm. If the true diameter is 6.18 cm what can be said about the students results? -
Correct Answers -It is precise but not accurate.
The observation that 15.0g of hydrogen reacts with 120.0g of oxygen to form 135.0g of
water is evidence for the law of - Correct Answers -Mass conservation
A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number
in standard scientific notation. - Correct Answers -4.264 x 10^6 m
How many significant figures are there in the answer to the following problem - Correct
Answers -Four
What is not a Fundamental SI unit? - Correct Answers -gram
What are the possible values of l if n=5? - Correct Answers -0, 1, 2, 3 and 4
What is the ground state electron configuration of tellurium - Correct Answers -
[Kr]5s^24d^105p4
Which one of the following statements about temperature is false? - Correct Answers -
The Celcius degree is samller than the Fareinheight degree
, The greater the energy of a photon, the... - Correct Answers -shorter the wavelength
and the higher the frequency
How many electrons can a sigle orbital hold - Correct Answers -2
Bromine belongs to the _____ group on the periodic table - Correct Answers -halogen
The horizantal rows of the periodic table are called? - Correct Answers -periods
The current model of the atom which is essentially all of the atoms mass is contained in
a very small nucleus, whereas most of an atoms volume is due to the space in which
the atoms electrons move was established by - Correct Answers -Rutherfords gold foil
experiment
What is the identity of Q if the ion Q2+ contains ten electrons - Correct Answers -Mg
In which of the following sets do all species have the same number of protons? -
Correct Answers -O, O2-, O2+
How many electrons are in the ion, CO3^2- - Correct Answers -32
The solid compound Na2CO3 contains - Correct Answers -Na+ ions and CO3^2- ions
Which of the following three sets consist of atoms or ions with the same electron
configuration in the ground state? - Correct Answers -(I) O2-, Ne, and Mg2+. (III) Hg,
Tl+ and Pb2+
Which ion has the same electron configuration as Kr? - Correct Answers -All of the
above, Rb+, Se2-, Br-
Which ion has the smallest atomic radius? - Correct Answers -Li+
Which ionization process requires the most energy? - Correct Answers -P3+(g)---->P4+
(g)+e-
Which liberates the most energy? - Correct Answers -Cl(g)+e----->Cl-(g)
What is the trend in ionization energy and electron affinity values? - Correct Answers -
Both increase as one traverses a period from left to right and both decrease as one
descends a group.
how many electrons does magnesium lose and nitrogen need to form Mg3N2? - Correct
Answers -magnesium loses two and nitrogen gains 3
the chemical formula for calcium nitride is? - Correct Answers -Ca3N2
