WorksheetsChemistry Spring Semester Exam Review
Total questions: 45
Worksheet time: 27mins
The one-, two-, or three-letter abbreviation of an element on the periodic table is called its...
a. short form
b. contraction
c. symbol
What is the neutrally-charged particle of an atom?
electron
neutron
proton
Tin is in what group and period?
Group 3, Period 4
Group 13, Period 2
Group 14, Period 5
In a neutrally-charged atom, the number of protons is equal to the number of what subatomic particle?
electron
neutron
proton
What is the atomic number of calcium?
a. 20
b. 40
c. 60
If an element has 20 protons, 18 electrons, and 21 neutrons, what is the mass number?
a. 38
b. 39
c. 41
What is the identity of the element that has 18 protons and 22 neutrons?
a. Cesium
b. Zirconium
c. Argon
Carbon is in what group and period?
Group 3, Period 4
Group 14, Period 2
Group 7, Period 1
Lithium is in what group and period?
Group 2, Period 2
Group 2, Period 1
Group 1, Period 2
An atom has 8 protons. Assuming that it is a neutral atom, how many electrons would this atom have?
0
8
16
What is the positively-charged particle of an atom?
electron
neutron
proton
How is the modern periodic table organized?
by atomic number
by atomic mass
by the number of protons and electrons
What is the chemical symbol for Tungsten?
T
W
Tg
___ Gold is classified as which of the following?
metal
nonmetal
metalloid
___ Which subatomic particle determines the identity of the atom?
electron
neutron
proton
___ How many neutrons are in the isotope, Oxygen-17?
8
9
17
___ How many protons are in the isotope, Oxygen-17?
8
9
17
How many electrons are in the isotope, Oxygen-17?
8
9
17
What is the mass number of the isotope, Oxygen-17?
8
9
17
___ B is the chemical symbol for what element?
barium
beryllium
boron
What is the mass number of copper-63?
a. 29
b. 34
c. 63
What is the symbol for the isotope, beryllium-11?
Calculate the average atomic mass of Carbon where 98.89% is the isotope Carbon-12 and 1.11% is the isotope Carbon-13. (NO rounding)
(a)
What is the atomic number of the isotope, Oxygen-17?
8
9
17
How many protons are in the isotope, sodium-24?
a. 11
b. 13
c. 24
The vertical (up and down) columns of the Periodic Table are called...
a. periods
b. rows
c. groups
Calculate the average atomic mass of gold with 50% being gold-197 and 50% being gold-199.
a. 198
b. 199
c. 396
What is the negatively-charged particle of an atom?
electron
neutron
proton
Ru
As
Br
Neon has three isotopes: neon-20, neon-21, and neon-22.
If the average atomic mass of neon is 20.19 amu, which isotope is the most abundant?
Neon-22
Neon-21
Neon-20
What is the identity of the element that has 22 protons and 25 neutrons?
Boron is in what group and period?
Group 3, Period 4
Group 13, Period 2
Group 14, Period 5
The atomic number is the number of _______.
electrons
neutrons
What are the first two elements in Period 6?
Cs & Ba
Cr & Mo
O & S
How many neutrons are in the isotope, nickel-62?
a. 28
b. 34
c. 62
Valence electrons are located where?
the innermost electron shell
the outermost electron shell
in the middle
What is the atomic number of Calcium?
20
40.08
Ru
As
Br
What is the name of the isotope that has 14 protons and 15 neutrons?
Silicon-29
Sulfur-34
Chlorine-37
Which of the following is true about isotopes?
a. Isotopes are the same element with different numbers of protons
b. Isotopes are different elements with the same number of neutrons
c. Isotopes are the same element with different numbers of neutrons
