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WorksheetsChemistry Test Review Chapter 6
Total questions: 43
Worksheet time: 1hrs 26mins
Elements in the same group have the same
atomic radius
energy level of outer electrons
nuclear charge
number of valence electrons
Groups 1, 2, and 13 through 18 are considered the (a) elements.
Most of the elements in groups 16-18 are classified as
alkali metals
inner transition metals
nonmetals
alkaline earth metals
Which energy level of the period 4 transition elements is being filled with electrons?
3rd
4th
5th
6th
Which group on the periodic table is known as the halogens?
Group 1
Group 2
Group 18
Group 17
Groups 3 through 12 are known as the
(a)
Group 1 elements, except for hydrogen are called the
(a)
Why was Mendeleev's periodic table widely accepted?
He organized the first 14 known elements.
He predicted the existence and properties of undiscovered elements.
He was the first to notice a pattern of similar properties among elements.
His periodic table listed all of the elements in the correct order.
Which of the following is a metalloid?
As
Na
W
F
The trend in the atomic radii as you move down the group 1 elements is partially due to
decreased distance of outer electrons
increased nuclear charge
increased number of electrons in outer energy levels
shielding by inner electrons
Group 2 elements are called the
(a)
Group 18 elements are called
(a)
How many electrons does an atom generally need in its outer energy level to be the most stable?
4
8
10
12
Which of the following electron configurations represents the most chemically stable atom?
[He] 2s2 2p3
[Ne] 3s2 3p5
[Ne] 3s2 3p6 4s2 3d5
[Ne] 3s2 3p6
A column on the periodic table is called a
(a)
Identify the period and group of the element that has the electron configuration [Ne] 3s2 3p3
period 2, group 2
period 3, group 1
period 3, group 13
period 3, group 15
If the inner transition elements were placed in the space occupied by the heavy black line above, what would result?
Electron configurations of the other elements would change.
There would be no effect.
The periodic table would be too wide to comfortably fit into most books.
More elements would become radioactive.
In which of the following pair is the second particles listed larger than the first?
K, Ga
Pb, C
Br, Br-
Li, Li+
What is the electron configuration of the element in group 14 and period 4 of the periodic table?
[Ne] 3s2 3p4
[Ar] 4s2
[Ar] 4s2 3d10 4p2
[Kr] 5s2 4d2
Halogens are good disinfectants. Which of the following is a halogen?
N
O
Cl
Fe
A row on the periodic table is called a
(a)
Group 17 elements are referred to as the
(a)
Looking at the box to the left, what can you say for certain about the element two spaces to the left of oxygen?
The element is a liquid.
The element will have atomic number 6.
The element's atomic weight will be 12.
The element's name will begin with the letter M.
What characteristic do atoms in the same group of elements share?
They have the same atomic mass.
The have the same number of valence electrons.
The have the same number of electron orbitals.
The have similar physical properties.
Elements in the d-block are also known as
alkali metals
alkaline earth metals
transition metals
lanthanide metals
Which letter on the image corresponds to the s block elements?
A
B
C
D
Atom or bonded group of atoms that has a positive or negative charge is called an
(a)
Energy required to remove an electron from a gaseous atom
(a)
Why is helium included with the noble gases, even though it has only two valence electrons?
The p orbital doesn't exist for period 1.
Helium was discovered first.
Helium's missing electrons cause it to be lighter than air.
Helium's electron configuration is incorrect.
Atoms that lose electrons to form positive ions are
nonmetals
metalloids
metals
noble gases
Which group generally has the greatest electronegativity?
alkali metals
alkaline earth metals
noble gases
halogens
The periodic table is divided into blocks representing energy sublevels. In the table shown, which sequence lists these blocks in order?
Y, W, Z, X
W, Y, X, Z
Y, Z, W, X
X, Y, Z, W
Metal is the malleable as nonmetal is to
solid
brittle
ductile
gaseous
Indication of an atom's ability to attract electrons in a chemical bond is called
(a)
Statement that atoms tend to gain, lose, or share electrons to acquire a full set of eight valence electrons
(a)
Why do atomic numbers jump by 15 from left to right in the section of the periodic table shown to the left?
the missing elements have not been discovered
the missing elements are radioactive
the missing elements form the lanthanides and actinides series, usually found at the bottom of the periodic table
the missing elements do not exist
Atoms of elements in group 1 have
1 electron in their outermost energy level
two electrons in their outermost energy level
seven electrons in their outermost energy level
eight electrons in their outermost energy level
What makes the d block wider than either the s block or the p block?
the d orbital can hold 10 electrons, making the d block ten elements wide
the d block is the most researched area of the periodic table
the elements in the d block are more important than the elements in the rest of the table
the elements in the d block are all metals
Where would you expect to find the smallest atoms?
upper left
upper right
lower left
lower right
why are the ionic radii generally larger for group 15 than for group 17?
Atoms in group 15 are larger than atoms in group 17
Atoms in group 15 have more protons than atoms in group 17
Ions forming from group 15 have a greater negative charge than ions forming from group 17
atoms in group 15 are less likely to lose electrons than atoms in group 17
Determine the group, period, and block of the periodic table of the element with the following electron configuration. (add a space between each answer)
[Xe] 6s1
(a)
Determine the group, period, and block of the periodic table of the element with the following electron configuration. (add a space between each answer)
[He] 2s2 2p4
(a)
Determine the group, period, and block of the periodic table of the element with the following electron configuration. (add a space between each answer
[Ar] 4s2 3d10 4p2
(a)
