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WorksheetsClass 10 Chemistry ICSE Periodic Properties
Total questions: 40
Worksheet time: 40mins
As you move across a row (period) on the periodic table, the atomic radius ______________________
Increases
Decreases
Stays the same
Explodes
Ionization energy is the energy needed to _________ an electron.
Fission
Explode
Remove
Add
As you move across a row on the periodic table, ionization energy ______________________
Decreases
Increases
Stays the same
Which group of elements has the lowest ionization energy?
Group 1
Group 2
Group 3
Group 4
A vertical column on the periodic table is called a ___________
Period
Group
A horizontal row on the periodic table is called a ______________
Period
Group
Group VIII A elements are called ________________
Alkali metals
Transition metals
Halogen
Noble gases
Group I A elements (not including hydrogen) are called ________________
Alkali metals
Transition metals
Halogen
Noble gases
Which of the following elements would have the smallest atomic radius?
Li
Be
C
Ne
Which statement about subatomic particles is true?
Protons, neutrons, and electrons all have about the same mass.
Unlike protons or neutrons, electrons have no mass.
Neutrons have no charge and no mass.
An electron has far less mass than either a proton or neutron.
Which element in Period 3 has the highest melting point?
Silicon (Si)
Germanium (Ge)
Carbon (C)
Argon (Ar)
The number of protons in one atom of an element is that element’s
mass number.
balanced charge
atomic number
isotope
To find the number of neutrons in an atom, you would subtract
mass number from atomic number
atomic number from mass number
atomic number from electron number
isotope number from atomic number
Which statement is true about oxygen-16 and oxygen-18 ?
They do not have the same number of protons
their atoms have identical mass
they are isotopes of oxygen
they have the same mass number
Which statement is true concerning the periodic table?
periods go up and down and groups go across the table
groups go up and down and periods go across the table
periods go up and down and groups go up and down the table
periods go across the table and groups go across the table
Which list of elements contains only metals?
carbon, iodine, tin
tin, copper, cesium
helium, iron, copper
iodine, carbon, argon
Which statement is true about the metalloid silicon?
Silicon is a better conductor of electric current than silver is.
Silicon does not conduct electric current under any conditions.
Silicon's ability to conduct electric current does not vary with temperature.
Silicon is a better conductor of electric current than sulfur is.
Group VII A of the periodic table contains the
most reactive metals.
most reactive nonmetals.
least reactive nonmetals.
least reactive metals.
As you move from left to right across a period, the number of valence electrons
increase
stays the same
increases then decreases
decreases
In science lab, your teacher gives you two small pieces of matter and tells you that one piece is a metal and one is a nonmetal. Without changing the size or shape of the pieces, how could you test them to determine which is the metal?
Test the density
Test the conductivity
Test the viscosity
Test the hardness
In the periodic table the elements are arrange in increasing........... number.
mass
nucleon
atomic
neutron
Group II elements are called ........... .
alkali metals
alkaline earth metals
halogens
noble gas
In periodic table: the column are called.........
groups
families
both of these
none of these
Group I and II elements are........elements.(Except hydrogen)
electropositive
s-block
all of these
none of these
He, Ne, Ar are.............. elements.
noble gas
group zero
highest ionisation energy
all of these
Group VII elements are called...........
alkali metals
alkaline earth metals
halogen
noble gases
Transition elements are.......... elements.
s- block
p- block
d- block
f- block
In general: the ................decreases from left to right across a period.
electronegativity
ionisation energy
electron affinity
none of these
The most electronegative element is..............
noble gas
fluorine
caesium
helium
In Na and Na + has the same number of..............
electrons
protons
both
none
In Cl- the number of electrons is........... .
16
17
18
19
The most ionisation energy elements are in group.......
I
II
VII
0
The electron affinity is cause by............ of electrons.
removal
addition
sharing
transfer
All elements to the right of the red line are........ .
metals
non- metals
metalloids
s-block elements
How many energy levals are in sodium(Na)?
1
2
3
4
He/Be/Ne has the same groupnumber and period number.
He
Be
Ne
which element is group 0 and period 1.
H
He
Ne
Na
Atomic size decreases from left to right across aperiod because...........
more shell
more nuclear charges
both of these
none of these
B and Si has........... properties.
metallic
non-metallic
both of these
none of these
Noble gases has............. properties.
metallic
non- metallic
both of these
none of these
