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WorksheetsECP: 1.3-1.4 The Periodic Table
Total questions: 43
Worksheet time: 56mins
How are elements organized in the periodic table ?
Alphabetically
Based on physical and chemical properties
Increasing number of electrons
Most reactive to least reactive
Most elements on the periodic table are classified as ____________.
Gases
Metalloids
Metals
Nonmetals
Groups on the periodic table are arranged...
Vertically
Horizontally
Diagonally from bottom right corner
Diagonally from top right corner
Which accurately describes nonmetals?
Poor conductors of electricity
Often used in computer parts
Both malleable and ductile
Both dull and brittle
Which group on the periodic table is the most reactive?
Group 1
Group 2
Group 13
Group 18
How many neutrons does Chlorine have?
17
36
35
18
How many periods are there in the periodic table?
7
9
10
18
Each horizontal row on the periodic table is called a what?
Group
Row
Period
Family
Who arranged the periodic table of elements by the atomic mass (or mass number)?
Democritus
John Dalton
Henry Moseley
Dmitri Mendeleev
The number of neutrons in an atom can be found by
adding the number of neutrons and protons together.
adding the atomic mass and the atomic number.
subtratcting the atomic number from the atomic mass.
subtracting the atomic mass from the atomic number.
___________________ are positively charged particles located in the nucleus of an atom.
Electrons
Neutrons
Protons
Isotopes
Isotopes are atoms of the same element with different numbers of
electrons
neutrons
protons
nuclei
Elements on the Periodic Table are ordered according to their
element name
element symbol
number of atoms
atomic number
The elements that touch the zigzag line on the Periodic Table are called
metals
nonmetals
metalloids
gasses
What do atoms of the same periodic group have in common?
They have the same atomic number.
They have the same chemical symbols.
The have similar chemical properties.
They have the same atomic mass.
The smallest particle of an element that has the same chemical properties of the element is
a molecule of that element.
an atom of that element.
a proton of that element.
the nucleus of the element.
Protons have a ____________ charge, neutrons have a ____________ charge, and electrons have a ____________ charge.
positive; negative, neutral
positive, neutral, negative
neutral, negative, positive
negative, neutral, positive
The history of the Atomic Theory involves many changes from its early form. Theories change because
people decide to no longer agree with them.
all theories must be changed after a certain time.
new evidence is found that allows the theory to be changed.
when scientists die, their theories are always changed.
The three kinds of elements are
metals, nonmetals, and liquid metals
metals, nonmetals, and metalloids
metals, solids, and liquids
metalloids, asteroids, and nonmetals
Which is a halogen?
Helium
Chlorine
Oxygen
Neptune
Which is an alkali metal?
Magnesium
Iron
Sodium
Europium
Which element is a metalloid?
H
Re
Ne
B
Which pair of elements would most likely have similar properties?
Calcium (Ca) and cobalt (Co)
sodium (Na) and chlorine (Cl)
boron (B) and phosphorus (P)
oxygen (O) and sulfur (S)
Which two elements are in the same period?
boron (B) and lithium (Li)
beryllium (Be) and calcium (Ca)
phosphorus (P) and oxygen(O)
boron (B) and phosphorus (P)
Metals are located on the
________ side of the
Periodic Table.
ZIG-ZAG
LEFT
RIGHT
BOTTOM
Find the element on Period 3 and Group 17. What is
this element’s chemical symbol?
F
Br
Cl
I
Boron (B) is a metalloid because it is a___.
good conductor of electricity but it is ductile
poor conductor of electricity but it has dull luster
good conductor of electricity but it has a shiny,
metallic luster
poor conductor of electricity but it has shiny,
metallic luster
In an atom, which subatomic particles are always equal?
protons and electrons
protons and neutrons
neutrons and electrons
protons, neutrons, and electrons
How many valence electrons do the atoms of elements in group 13 have (the Boron Group)?
3
5
8
13
Choose ALL of the alkali metals (group 1) from the list below:
lithium
copper
mercury
potassium
sodium
True or false: All elements in a family have the same number of valence electrons (except Helium and the transition metals).
True
False
Which color on the image of the periodic table corresponds with the halogens.
red
black
blue
orange
Which color on the image of the periodic table corresponds with the lanthanides.
red
black
blue
orange
Which color on the image of the periodic table corresponds with the noble gases.
red
black
blue
orange
Which color on the image of the periodic table corresponds with the metalloids.
bright yellow
gold
teal
light blue
Which color on the image of the periodic table corresponds with the alkaline earth metals.
yellow
dark yellow
blue/green
teal
Which family of elements does not combine with other elements unless under special conditions in a laboratory?
Noble gases
Halogens
Metalloids
Alkaline earth metals
Actinides
a collection of atoms of one type that cannot be broken down into simpler substances by ordinary chemical or physical means
element
subatomic particle
electron
matter
one of several forms of a single element, which contains the same number of protons, but different numbers of neutrons
isotope
ion
orbital
nucleus
an atom or group of atoms that has gained or lost one or more electrons and is now either positively or negatively charged
isotope
ion
orbital
nucleus
