WorksheetsAtoms and the Periodic Table Review
Total questions: 108
Worksheet time: 27hrs 0mins
What is the number of protons in this carbon atom?
12
6
18
24
Who was the first to state the concept of an atom?
Bohr
Dalton
Rutherford
Democritus
In the modern quantum–based atomic theory, what is the name given to a particular space around the nucleus in which an electron moves?
orbital
nucleus
orbit
energy level
Which statement correctly describes protons?
They have no charge and are present in the nucleus of an atom.
They have a negative charge and travel around the nucleus of an atom.
They have a positive charge and travel around the nucleus of an atom.
They have a positive charge and are present in the nucleus of an atom along with the neutrons.
What did Rutherford's gold-foil experiment help him conclude?
The mass of the atom is equivalent to the number of protons alone.
The mass of the atom is negligible.
The mass of the atom is mostly located in a small nucleus.
The mass of the atom is equivalent to the number of neutrons alone.
What are the subatomic particles of an atom?
protons, neutrons, and nucleus
protons, neutrons, and electrons
electrons, orbitals, and neutrons
electrons, neutrons, and nucleus
Which subatomic particle has negligible mass and travels around outside the nucleus?
proton
neutron
electron
orbital
What defines the mass number of an isotope?
the sum of the neutrons and protons
the sum of the neutrons and electrons
the number of neutrons
the number of protons
Used the word "atomos" to decsribe the uncuttable (indivisible) atom.
Democritus
Thomson
Bohr
Dalton
Which statement is true with respect to an atom?
The electrons remain enclosed in the nucleus of an atom.
The atomic mass of an atom depends solely on the number of protons in the nucleus.
The atomic number of an atom is equal to the number of protons.
The protons and neutrons in the nucleus of an atom constitute the atomic number.
Proposed that electrons move around the nucleus in specific layers, or shells.
Bohr
Rutherford
Chadwick
Thomson
This picture best represents ___________________ atomic model.
Thomson's
Dalton's
Bohr's
Chadwick's
Which of the following is/are conclusions based on Rutherford’s gold foil experiment?
Atom is mostly empty space
The nucleus is positively charged
The atom has a small dense nucleus
All answers are correct
What is the mass number of this atom?
1
3
4
7
An atom has 12 protons and 13 neutrons in its nucleus. Which is the correct symbol?
the basic structural unit of matter
atom
matter
element
nucleus
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
the positively charged subatomic particle contained in the nucleus of an atom
proton
neutron
electron
matter
a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge
proton
neutron
electron
matter
a negatively charged subatomic particle that orbits the nucleus of an atom
proton
neutron
electron
matter
an arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column and properties repeat from row to row
Periodic Table of Elements
Atomic Theory
Isotopes
Subatomic Particles
one or two letters that represent the name of an element
element name
element symbol
atomic number
atomic mass
a unique number for each element that equals the number of protons in an atom of that element
element name
element symbol
atomic number
atomic mass
the mass of an atom, calculated by adding the number of protons and neutrons in the nucleus of the atom
element name
element symbol
atomic number
mass number
a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a family
group
period
row
isotope
a row on the Periodic Table of Elements
family
period
row
isotope
one of several forms of a single element, which contains the same number of protons, but different numbers of neutrons
isotope
ion
orbital
nucleus
What are the three main groups of the periodic table?
groups
metal
nonmetals
metalloids
periods
What are the vertical columns on the periodic called?
groups
periods
nonmetals
metals
metalloids
What do the vertical columns on the periodic table tell us?
The number of orbitals
The number of valence electrons (electrons on the outer most shell)
What are the horizontal rows on the periodic table called?
periods
groups
metals
nonmetals
metalloids
What do the horizontal rows on the periodic table tell us?
The number of orbitals
The number of valence electrons (the electrons on the outer most shell)
What does the number of protons tell us?
electrons
atomic number
atomic mass
neutrons
How do you calculate the number of neutrons? *
Mass = Atomic number - Neutrons
Mass - Atomic number = Neutrons
Atomic number = Neutrons
What is the name of the element? (Periodic table will be needed)
sodium
magnesium
vanadium
What group and period does this element belong in? *
period 1 and group 3
period 3 and group 1
period 2 and group 3
period 3 and group 2
How many valence electrons does the element have?
1
2
3
4
How many protons and electrons does nickel have?
28
58.69
What is the average atomic mass?
58.693
28
How many orbitals does Nickel have?
3
4
5
10
Who discovered the nucleus?
Rutherford
Bohr
Thomson
Dalton
Who proposed a model with electrons moving in specific layers?
Rutherford
Bohr
Thomson
Dalton
Who discovered the electron?
Rutherford
Bohr
Thomson
Dalton
This element has two valence electrons and two energy levels?
Beryllium (Be)
Lithium (Li)
Zinc (Zn)
How many valence electrons and energy levels does (Pb) lead have?
4 valence electrons and 6 energy levels (orbitals)
6 valence electrons and 4 energy levels (orbitals)
5 valence electrons and 5 energy levels (orbitals)
5 valence electrons and 10 energy levels (orbitals)
average atomic mass
mass number
Which element has properties most similar to those of Lithium?
Carbon (C)
Magnesium (Mg)
Sodium (Na)
Oxygen (O)
Which element has properties most similar to those of Fluorine?
Chlorine (Cl)
Oxygen (O)
Calcium (Ca)
Boron (B)
Which element is the most reactive?
Beryllium
Calcium
Strontium
Radium
Which element is the least reactive?
Lithium
Potassium
Cesium
Francium
Elements that have similar properties are found in the same
group
period
table
energy level
The number of each period represents the number of
energy levels
neutrons
electrons
nuclei
What element can be found in period 3 group 13?
Boron (B)
Aluminum (Al)
Gallium (Ga)
Silicon (Si)
What element can be found in period 4 group 8?
Manganese (Mn)
Iron (Fe)
Cobalt (Co)
Ruthenium (Ru)
Which family are Mg, Ca, and Ba members?
Alkali Metals
Alkali Earth Metals
Transition Metals
Halogens
Which family do the elements F, Cl, Br, and I belong to?
Alkali Metals
Alkali Earth Metals
Transition Metals
Halogens
Name Noble gas in period 4.
Helium
Neon
Argon
Krypton
What period is calcium found in?
1
2
3
4
What period is Phosphorus found in?
1
2
3
4
What group is Copper found in?
7
7
11
12
What group is Lead found in?
12
13
14
15
What element is found in period 4 group 4?
Titanium
Zirconium
Vanadium
Tungsten
What element is found in period 3 group 14?
Carbon
Silicon
Germanium
Phosphorus
Groups 3 - 12 are called
alkali metals
transition metals
alkali earth metals
halogens
Which elements are shiny?
metals only
nonmetals only
metals and nonmetals
metals and MAYBE metalloids
Which elements are to the right of the zig zag?
metals
nonmetals
metalloids
Sulfur is considered:
malleable
brittle
ductile
a good conductor
ductile means...
can be made into wire
can be bent or hammered
can light up a light bulb
it's shiny
Which elements are to the LEFT of the zigzag?
metals
nonmetals
metalloids
Substances that can be hammered into thin sheets are:
metals
nonmetals
both metals and nonmetals
What is the average mass of this element?
Calculate the average atomic mass of the element iron (Fe) using the following data:
[Isotope / % abundance]
[Iron 54 / 6% ] [Iron 56 / 92% ] [ Iron 57 / 2% ]
53.7 amu
54.9 amu
5592.0 amu
55.9 amu
What was Dalon's atomic theory about ?
Matter is made tiny particles called atoms.
Atoms combine in whole numbers.
Atoms of an element are identical in mass and properties.
Different elements have different properties.
They are divisible into protons. It contains electronic shells.
