WorksheetsAtom Structure Review
Total questions: 25
Worksheet time: 13mins
Atoms of elements in the same group of the periodic table share the same _____.
Energy levels
Valence electrons
Atomic number
Atomic masses
Which part of the periodic table indicates the number of energy levels in the electron cloud?
Group
Period
Family
Valence electrons
Which statement about the arrangement of the periodic table is not true?
Noble gases are in the group farthest to the right
Metals are found on the left side of the periodic table
Rare earth elements are in the first column on the left
Transition metals are in the center of the periodic table
Boron, carbon, nitrogen and oxygen are all members of the same
Family
Period
Group
Valence Level
Which of the following elements would be the best conductor of electricity?
Iodine
Silicon
Silver
Argon
At room temperature, most metals are ____?
Solids
Liquids
Gases
Plasma
Hydrogen is in group 1 with lithium, sodium, potassium, rubidium, cesium, and francium because it _____?
Is a metal
Is a gas
Has one Valence electron
Has one energy level
Atoms of elements in the same group of the periodic table share the same___.
number of energy levels
number of valence electrons
atomic numbers
atomic masses
The total number of electrons in the outer shell of a sodium atom is
1
2
8
5
Which particles determine the atomic number of an element?
Protons
Neutrons and protons
Neutrons only
Protons and Electrons
Which is a property of metals?
Dull brittle solids
Shiny, silvery solids
Poor conductors
On the right side of the periodic table
Match the following scientists with their appropriate accomplishments.
Ernest Rutherford
Nuclear Model; Gold Foil experiment allowed him to discover that the nucleus was the positively charged center of the atom surround by negatively charged electrons
Electron Cloud Model; surrounding the nucleus is an electron cloud made of shells – electrons do not, however, travel in a fixed orbit
Plum Pudding Model; atom is positive sphere with negatively charged particles evenly embedded throughout
Named the atom based on the Greek word meaning indivisible
Match the following scientists with their appropriate accomplishments.
Niels Bohr
Electrons travel in fixed orbits around the nucleus of the atom
Arranged the elements on the periodic table based on atomic number
Solid Sphere Model; elements are atoms with different masses
Nuclear Model; Gold Foil experiment allowed him to discover that the nucleus was the positively charged center of the atom surround by negatively charged electrons
Match the following scientists with their appropriate accomplishments.
Democritus
Named the atom based on the Greek word meaning indivisible
Nuclear Model; Gold Foil experiment allowed him to discover that the nucleus was the positively charged center of the atom surround by negatively charged electrons
Electron Cloud Model; surrounding the nucleus is an electron cloud made of shells – electrons do not, however, travel in a fixed orbit
Electrons travel in fixed orbits around the nucleus of the atom
Match the following scientists with their appropriate accomplishments.
Dmitri Mendeleev
Electrons travel in fixed orbits around the nucleus of the atom
Electron Cloud Model; surrounding the nucleus is an electron cloud made of shells – electrons do not, however, travel in a fixed orbit
Arranged the elements on the periodic table based on atomic mass
Arranged the elements on the periodic table based on atomic number
Match the following scientists with their appropriate accomplishments
Dalton
Named the atom based on the Greek word meaning indivisible
Solid Sphere Model; elements are atoms with different masses
Arranged the elements on the periodic table based on atomic mass
Electrons travel in fixed orbits around the nucleus of the atom
Match the following scientists with their appropriate accomplishments
Schrodinger and Heisenberg
Electron Cloud Model; surrounding the nucleus is an electron cloud made of shells – electrons do not, however, travel in a fixed orbit
Solid Sphere Model; elements are atoms with different masses
Arranged the elements on the periodic table based on atomic mass
Electrons travel in fixed orbits around the nucleus of the atom
Match the following scientists with their appropriate accomplishments.
Henry Moseley
Plum Pudding Model; atom is positive sphere with negatively charged particles evenly embedded throughout
Arranged the elements on the periodic table based on atomic number
Nuclear Model; Gold Foil experiment allowed him to discover that the nucleus was the positively charged center of the atom surround by negatively charged electrons
Arranged the elements on the periodic table based on atomic mass
Match the following scientists with their appropriate accomplishments.
JJ Thomson
Named the atom based on the Greek word meaning indivisible
Electron Cloud Model; surrounding the nucleus is an electron cloud made of shells – electrons do not, however, travel in a fixed orbit
Solid Sphere Model; elements are atoms with different masses
Plum Pudding Model; atom is positive sphere with negatively charged particles evenly embedded throughout
Match the following parts of the atom with their appropriate definition.
Proton
A subatomic particle with a positive charge
A subatomic particle with a negative charge
The positively charged center of that atom where most of the mass of the atom is located
The subatomic particle with no charge (therefore electrically neutral)
Match the following parts of the atom with their appropriate definition.
Neutron
A subatomic particle with a positive charge
A subatomic particle with a negative charge
The subatomic particle with no charge (therefore electrically neutral)
The smallest known particles that make up protons and neutrons
Match the following parts of the atom with their appropriate definition.
Electron
A subatomic particle with a positive charge
A subatomic particle with a negative charge
The subatomic particle with no charge (therefore electrically neutral)
The smallest known particles that make up protons and neutrons
Match the following parts of the atom with their appropriate definition.
Quarks
A subatomic particle with a positive charge
A subatomic particle with a negative charge
The subatomic particle with no charge (therefore electrically neutral)
The smallest known particles that make up protons and neutrons
Match the following parts of the atom with their appropriate definition.
Nucleus
A subatomic particle with a positive charge
The smallest known particles that make up protons and neutrons
The negatively charged area around the nucleus where the volume of the atom is located
The positively charged center of that atom where most of the mass of the atom is located
Match the following parts of the atom with their appropriate definition.
Electron Cloud
A subatomic particle with a negative charge
The subatomic particle with no charge (therefore electrically neutral)
The positively charged center of that atom where most of the mass of the atom is located
The negatively charged area around the nucleus where the volume of the atom is located
