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WorksheetsElectron Arrangement & Periodic Trends
Total questions: 40
Worksheet time: 20mins
Emission spectrum lines are created when
electrons jump down from a higher energy state to a lower energy state
electrons jump up to a higher energy state from a lower energy state
electrons move from a ground state to an excited state
electrons move about the nucleus
Electrons in the ground state have
highest possible energy
lots of energy
gone underground
lowest possible energy
Which of the following colors of visible light has the longest wavelength?
red
orange
green
yellow
violet
Which of the following colors has the highest energy?
red
orange
green
yellow
violet
When drawing a Bohr model, how many electrons can fit in the 3rd energy level?
2
8
18
32
Valence electrons come from which sublevels?
only s
only p
s & p only
s, p, d only
s, p, d, & f
Photons are
packets of electromagnetic energy
radioactive
electrons being emitted from the atom
nonexistent
an electron moves ______ the nucleus when it moves to an excited state
towards
into
around
away from
The electrons that are responsible for chemical reactivity that are in the outermost layer of the atom are called
randos
valence electrons
photons
quantum
The number of valence electrons for the halogens is
1
2
6
7
The element that is found in group 3A and period 2 is
Mg
B
Sc
Not available
This family is highly unreactive due to having a full outer shell of electrons
alkali metals
alkaline earth metals
halogens
noble gases
The number of orbitals for the p-sublevel
1
3
5
7
The number of orbitals for the d-sublevel
1
3
5
7
Which of the following is NOT an appropriate level/sublevel that can be written for electron configurations
1s
2d
4p
4f
How many electrons can a single orbital hold?
1
2
6
10
Hund's rule states that all orbitals for a specific sublevel must contain one electron prior to pairing electrons up. Why is this?
because electrons like company
electrons want to be in the lowest energy state
this minimizes repulsion between electrons
Which of the following options is lowest in energy?
5s
4d
5p
4f
Elements in the same family/group have the same
number of electrons
number of energy levels
number of valence electrons
atomic number
What is the correct ground state electron configuration for Bromine?
1s2 2s2 2p6 3s2 3p6 4s2 3d1
1s2 2s2 2p6 3s2 3p6 4s2 3d104p5
1s22s22p4
1s22s22p6
How many electrons can the 4th principle energy level hold?
2
8
18
32
The electron configuration of an atom is 1s22s22p63s23p64s23d104p2 The number of valence electrons in the atom is
2
4
14
32
Which of the following is the correct ground state orbital notation for Oxygen?
A
B
C
D
Which color/section represents the p-block?
Blue/1st (columb 1-2)
Orange/2nd (column 3-12)
pink/3rd (last 6 columns)
green (bottom rows)
From the list below, which metal is more reactive?
Ca
Cs
Mg
Na
Metallic property ________ down a group and ______ across a period (left to right)
increases, increases
increases, decreases
decreases, increases
decreases, decreases
Atomic Radius ________ down a group and ______ across a period (left to right)
increases, increases
increases, decreases
decreases, increases
decreases, decreases
Ionization ________ down a group and ______ across a period (left to right)
increases, increases
increases, decreases
decreases, increases
decreases, decreases
Electronegativity ________ down a group and ______ across a period (left to right)
increases, increases
increases, decreases
decreases, increases
decreases, decreases
The most electronegative element on the Periodic table is
He
F
Fr
H
The ability to attract electrons the the atom is called _____
ionization energy
atomic radius
electronegativity
metallic property
The energy required to remove an electron is called _____
ionization energy
atomic radius
electronegativity
metallic property
The element with the highest ionization energy on the Periodic table is
He
F
Fr
H
The largest element on the Periodic Table is
He
H
Fr
Og
Rank the following from lowest to highest electronegativity:
S, Ba, Zn
S, Ba, Zn
Ba, Zn, S
S, Zn, Ba
Ba, S, Zn
Rank the following elements from largest to smallest:
Mg, Rn, He, Cs
Cs, Mg, He, Rn
Cs, Rn, Mg, He
He, Mg, Rn, Cs
Rn, He, Mg, Cs
How many valence electrons do the alkaline earth metals contain?
1
2
7
8
Where are the metalloids found?
On the right side of the periodic table
On the left side of the periodic table
In the middle of the periodic table
Along the staircase (starting at element 5 and heading down and to the right)
An element has the following properties: Lusterous, conducts electricity, malleable, ductile, durable.
What type of element is it?
Liquid
non metal
metalloid
metal
Elements with similar chemical properties occur at regular intervals when they are arranged by increasing atomic number. This is the ______
statement made by Bohr
Periodic Law
Law of conservation of mass
way it has always been
