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WorksheetsIst Semester Review
Total questions: 25
Worksheet time: 13mins
Which of the following demonstrates the greatest increase between the atoms first and second ionization energies?
He
Na
Mg
Al
Which statement best compares the atomic radius of a potassium atom and the atomic radius of a calcium atoms?
The radius of the potassium atom is smaller because of its smaller nuclear charge
The radius of the potassium atom is smaller because of its smaller nuclear charge
The radius of the potassium atom is larger because of its smaller nuclear charge
The radius of the potassium atom is larger because of its larger nuclear charge
Which atom is the least electronegative?
O
Cl
Fr
N
Which two gases cannot be broken down by chemical means?
CO and He
CO and NH3
Xe and He
Xe and NH3
What scientist and experiment determined that electrons had a negative charge?
Rutherford fired alpha particles at gold foil
Thompson observed the deflection of particles in a cathode ray tube
Shrodinger calculated the wave function of particles
Dalton measured the mass of reactants and products in reactions
An atom in the ground state contain three electrons in its outermost principal energy level. This is an atom found in group?
Group 1
Group 2
Group 13
Group 17
What process of a phase change do points A and G represent?
The substance at point A melts as the pressure and temperature increase towards point G
The substance at point A condenses as it crosses point E and freezes at point G
The substance at point A sublimates as the pressure and temperature increase towards point G
The substance at point A vaporizes and becomes liquid at point G
Which general trends in first ionization energy and electronegativity values are demonstrated by Group 15 elements as they are considered in order from top to bottom?
The first ionization energy decreases and the electronegativity decreases.
The first ionization energy increases and the electronegativity increases.
The first ionization energy decreases and the electronegativity increases
The first ionization energy increases and the electronegativity decreases.
Which of these elements have a full outer shell?
H
F
Ar
Na
Which of these elements have a full outer shell?
s orbitals
p orbitals
d orbitals
f orbitals
Which of the following is a true statement about the halogens?
Flourine is the weakest oxidizing agent
Bromine is more electronegative than chlorine
The halide ions are larger than their respective halogen atoms
The first ionization energies increase as the atomic number increases
Which of these has the weakest intermolecular attraction?
N2
H2
O2
F2
Which compound has atoms that are held together by network covalent attraction?
KCl
NaF
HC2H3O2
SiC
Which of the following sets of quantum numbers (listed in order n, l, m, s) describes the highest energy valence electron of sodium in its ground state?
3, 0, 0, +1/2
3, 0, 0, -1/2
3, 0, 1, +1/2
3, 1, 1, +1/2
The critical point represents which of the following?
The highest temperature and pressure where the substance may exist as discrete solid and gas phases.
The highest temperature and pressure where the substance may exist as liquid and gas phases.
The temperature and pressure where the substance exists in equilibrium as solid, liquid, and gas phases.
The highest temperature and pressure where the substance may exist as discrete liquid and solid phases.
Which statement describes the general trends in electronegativity and first ionization energy as the elements in Period 3 are considered in order from Na to Cl?
Electronegativity increases, and first ionization energy decreases.
Electronegativity decreases, and first ionization energy increases.
Electronegativity and first ionization energy both decrease.
Electronegativity and first ionization energy both increase.
Which point on the diagram below might represent the normal boiling point?
B
C
F
G
The figure below represents the periodic table and the location of four different elements on the table. A certain element has an electron configuration of 1s22s22p63s23p6.
Which letter in the diagram above represents the position of this element on the periodic table?
X
Y
W
Z
In which compound are atoms held together by covalent attraction?
KCl
NaF
SiC
HC2H3O2
The dot structure shown below could represent an atom of which element?
Ge
Ga
Se
Kr
The elements in Group 2 have similar chemical properties because each atom of these elements has the same -
atomic number
mass number
number of electron shells
number of valence electrons
Salt water is classified as a(n) -
element
compound
homogeneous
heterogeneous
In which substance are atoms held together with metallic attraction?
FeO
Xe
I2
Sn
What molecule is held together with triple bonds?
Cl2
F2
O2
N2
A ground-state electron in a calcium atom might have which of the following sets of quantum numbers (in order n, l, m, s order) ?
3, 1, 0, -1/2
5, 0, 0, -1/2
4, 1, 0, -1/2
4, 0, 0, -1/2
