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WorksheetsSemester Review #2: Unit 4 & 5: Modern Atomic Theory & Bonding
Total questions: 151
Worksheet time: 4hrs 17mins
These particles are found in the nucleus of the atom.
protons only
protons and electrons
electrons only
protons and neutrons
The mass number is the total of the protons plus the neutrons in the atom.
True
False
How many neutrons would you expect the average gold atom to have given the information shown?
79
118
197
276
Which subatomic particle has a negative charge?
proton
electron
neutron
quark
How many valence (outer) electrons does an Oxygen atom have?
2
6
8
16
Name this element.
Neon
Magnesium
Sodium
Manganese
If an atom of Sodium has a mass number of 23, it will have...
23 protons
11 neutrons
12 protons
12 neutrons
Which subatomic particle has a positive charge and is found inside the nucleus?
Electron
Proton
Neutron
Nucleus
Which subatomic particle has a neutral charge and is found inside the nucleus?
Electrons
Protons
Neutrons
Nucleus
Which scientist developed this model?
Dalton
Thomson
Rutherford
Bohr
What is the maximum number of electrons that can be found in the third shell (energy level)?
2
8
18
What is the maximum number of electrons that can be found in the second shell (energy level)?
2
8
18
What is the maximum number of electrons that can be found in the first shell (energy level)?
2
8
18
Which side of the periodic table are the nonmetals located?
Which side of the periodic table are the metals located?
copper
potassium
strontium
magnesium
carbon
chlorine
nitrogen
argon
helium
silver
Which group is the Alkali Metals?
Which group is the Alkaline Earth Metals?
Which group is the Halogens?
Which group is the Noble Gases?
The (a) boarder the staircase & have properties of both metals and nonmetals. They are (b) , (c) , and (d) .
According to Coulomb's Law, when the distance increases, the electrostatic force ____________; we call this relationship ____________ proportional.
decreases; directly
decreases; inversely
increases; inversely
increases; directly
The Coulomb is the unit for:
Charge
Force
Distance
Mass
Coulomb’s law states that the force between two charged objects will __________ when the magnitude (value) of the object’s charge increases.
increase
decrease
stay the same
first increase, then decrease
Select all answer that apply:
What kinds of particles do Coulomb's Law apply to?
electrons
protons
neutrons
neutral atoms
A repulsive force exists between which two particles?
Two neutrons
An electron and a neutron
An electron and a proton
Two protons
What does "r" measure?
the distance between the two charged objects
the amount of charge carried by the objects
the amount of force between two charged objects
the constant value for forces between the objects
An attractive force exists between which two particles?
Two neutrons
An electron and a neutron
An electron and a proton
Two electrons
Electric charges exert which kind of force?
a field force
a contact force
a gravitational force
a frictional force
As you move across the periodic table atoms tend to get smaller because, ______________.
the atoms have more mass.
the atoms have less mass
the atoms have a bigger effective nuclear charge
the atoms have less electrons.
Which atom has the largest atomic radius?
potassium
rubidium
francium
cesium
The atom with the largest atomic radius in Group 18 is
Ar
He
Kr
Rn
Reorder the following with highest first ionisation energy first.
Li - Lithium
Na - Sodium
Al - aluminium
Mg - magnesium
Si - silicon
Reorder the following elements largest atomic radius to smallest
F (fluorine)
Fr (Francium)
Cs (caesium)
O (oxygen)
Fe (iron)
Reorder the following with most electronegative element first.
F (fluorine)
Fr (Francium)
Cs (caesium)
Br (bromine)
Co (cobalt)
What element has the largest atomic radius?
oxygen
neon
carbon
sodium
Which element has the smallest atomic radius?
magnesium
chlorine
bromine
argon
What is ionization energy?
The energy required to remove an electron from a neutral atom of an element.
The energy change that occurs when an electron is acquired by a neutral atom.
The measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound.
How close an atom is to its neighboring atom.
Which element has the highest ionization energy?
oxygen
sulfur
silicon
potassium
What is the ability of an atom in a chemical compound to attract electrons from another atom in the compound?
ionization energy
electronegativity
atomic radius
electron affinity
Which element has the largest electronegativity?
barium
oxygen
iron
lithium
Energy levels are shown by:
letters
numbers
a combination of letters and numbers
subscripts
Each orbital can hold how many electrons?
5
4
8
2
Valence electrons are located...
inside the nucleus
in outer space
on the outermost energy level of an atom
Which of the following is not a sublevel
s
p
n
f
d
The name of this element is (a) .
An atom of this element would have (b) electrons total.
There would be (c) electrons on the first shell, (d) electrons on the second shell and (e) electrons on the third shell.
The name of this element is (a) .
There would be (b) electrons on the first shell, (c) electrons on the second shell, (d) electrons on the third shell and (e) electrons on the last shell.
What electron configuration matches an oxygen atom?
1s22s22p63s2, 3p64s23d104p5
1s22s22p4
1s22s22p6
1s22s22p63s23p64s23d1
Identify the Electron Configuration for Aluminum (Al)
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 4p1
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
Zinc
Copper
Nickel
Germanium
What atom matches this electron configuration?
1s22s22p63s2
Neon
Magnesium
Aluminum
Potassium
There are _____ types of atomic orbitals.
1
2
3
4
Which of the following are TRUE of atomic orbitals?
There is 1 s orbital
There are 3 p orbitals
There are 5 d orbitals
There are 7 f orbitals
How many electrons can fit in one orbital?
1
2
3
4
Look at a periodic table. Count how many columns on the periodic table are in the "p" block. How many columns did you find?
2
6
10
14
If the f block contains 14 columns, then it would make sense that an f orbital can hold up to _____ electrons.
2
5
7
14
1s2 2s2 2p6 3s2
[Xe] 6s2 4f14 5d9
Which of the following states that electrons occupy orbitals of lowest energy first?
Hund’s Rule
Aufbau Principle
Pauli Exclusion Principle
This orbital diagram represents:
Carbon
Boron
Nitrogen
Oxygen
This orbital diagram represents
Nitrogen
Oxygen
Carbon
Neon
What is incorrect about this orbital diagram?
Both arrows in the 2p box should be pointing up
There are too many electrons in the 1s orbital
In the 2p boxes, there should only be 1 electron in the first 2p box and one in the 2nd 2p box
All the arrows should be pointing up
What does the Pauli Exclusion Principle state?
An orbital can only hold a maximum of 2 electrons, each with opposite spins
An orbital can hold a minimum of 6 electrons, each with opposite spins
An orbital can hold a maximum of 6 electrons, each with the same spin
An orbital can hold a maximum of 2 electrons, each with the same spin
This orbital diagram represents
Nitrogen
Oxygen
Carbon
Neon
This orbital diagram represents
Sodium
Magnesium
Aluminum
Iron
What electron configuration matches an oxygen atom?
1s22s22p63s2, 3p64s23d104p5
1s22s22p4
1s22s22p6
1s22s22p63s23p64s23d1
What element has this orbital notation?
lithium
beryllium
boron
carbon
Which atoms do not bond?
Noble gases
Alkali Earth Metals
Alkaline Earth Metals
Halogens
Forms ionic bonds: (a) .
Forms covalent bonds: (b) .
Which atom has the negative dipole in this molecule?
Hydrogen
Fluorine
Neither
H-H is...
polar
nonpolar
MgO is...
ionic
metallic
covalent
CO2 is...
polar
nonpolar
SOCl2 is...
polar
nonpolar
HCl is...
polar
nonpolar
This molecule is...
polar
nonpolar
Water is...
polar
nonpolar
NH3 is...
polar
nonpolar
Butane is...
polar
nonpolar
Ethanol is...
polar
nonpolar
CF4 is...
polar
nonpolar
Which atom has the negative dipole in this molecule?
Hydrogen
Fluorine
Neither
