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WorksheetsUnit 5: Periodic Table
Total questions: 35
Worksheet time: 28mins
Elements that are in the same group have the same number of _____________
protons.
neutrons.
valence electrons.
protons and neutrons.
Which of the following is an alkali metal?
calcium
magnesium
mercury
sodium
How was Mendeleev's periodic table arranged?
by increasing atomic mass
by decreasing atomic mass
by increasing atomic number
by decreasing atomic number
Columns on the periodic table are called __________
an element.
a group.
an isotope.
a period.
The three main groups of elements are metals, nonmetals, and
inert gases.
alkali metals.
radioactive isotopes.
metalloids.
Most elements are
metals.
nonmetals.
metalloids.
semiconductors.
Elements in a family have similar _________
atomic symbols.
atomic sizes.
atomic weights.
chemical properties.
The order of elements in the modern periodic table is based on an element's
atomic number.
name.
chemical symbol.
atomic mass.
Metals tend to be
gases.
dull.
brittle.
good conductors.
Which group is very stable due to the fact that they have a full outermost energy level?
alkali metals
halogens
alkaline-earth metals
noble gases
Which of the following is a property of group 8A elements?
malleable
brittleness
high electrical conductivity
unlikely to react with other elements
Based on its location on the periodic table, which of these elements most likely has physical and chemical properties most similar to boron (B)?
magnesium (Mg)
aluminum (Al)
neon (Ne)
chlorine (Cl)
Which of the following groups on the Periodic Table is likely to form positively charged ions (or cations)?
group 1A
group 5A
group 7A
group 8A
Alkali metals are extremely reactive because they
have every small atomic masses.
are not solid at room temperature.
have one valence electron that is easily removed to form a positive ion.
have two valence electrons that form compounds with calcium and magnesium.
Group A elements are also called:
Transition elements
Representative elements
metals
rare elements
What element is in the same period as Fluorine
Lithium
Chlorine
Phosphorus
Argon
Which of these elements (Li, B, V, Ar) is a non metal?
V
Li
Ar
B
Which element is a transition metal?
cesium
aluminum
tin
copper
Which element is a representative element?
Hg
Fe
Te
Ta
As you move down a group, the atomic radius _________
decreases
increases
remains the same
first increases then decreases
Which element in period 2 has the largest radius?
Ne
Ra
Li
B
Which factor contributes to the increase in radius down a group?
Increase size of nucleus
increase in protons
shielding of electrons
fewer electrons in higher energy levels
Which element has the smallest radius?
S
Cl
Se
Br
What is the charge of a cation?
No charge
negative
depends on the nucleus
positive
Which of the following is true about ions?
anions form when an atom gains protons
cations form when an atom gains electrons
anions form when an atom gains electrons
cations form when an atom loses protons
What element has the highest electronegativity value?
He
F
Li
At
Elements in groups 5A, 6A, and 7A all _____
lose only 1 electron
gain only 1 electron
gain electrons when forming ions
all form ions with positive charges
Which element has the properly written charge?
O-3
S+2
N-1
Li+1
Which element has the smallest first ionization energy?
He
F
Na
K
As you move from left to right across the periodic table ________
Ionization energy increases
electronegativity decreases
atomic radius increases
atomic mass decreases
Which group is known as the halogens?
1A
2A
7A
8A
Which group of elements contain electrons in the f orbitals
Transition metals
Inner transition metals
representative metals
metalloids
Positive ions are ______
bigger than their original atom
smaller than their original atom
the same size
anions
What is the tendency to attract an electron called:
ionization energy
cation
anion
electronegativity
The tendency to remove an electron is called:
ionization energy
electronegativity
anion
atomic radius
