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WorksheetsAtomic Structure Review Honors
Total questions: 39
Worksheet time: 20mins
Atoms of elements in the same group of the periodic table share the same
number of energy levels
number of valence electrons
atomic number
atomic masses
The atomic number of magnesium is 12. Therefore its nucleus must contain
6 protons and 6 neutrons
6 protons and 6 electrons
12 neutrons and no protons
12 protons and no electrons
A neutral atom may contain 8 protons,
9 neurtons and 10 electrons
8 neutrons and 10 electrons
9 meutrons and 8 electrons
10 neutrons and 9 electrons
An element with 5 protons, 6 neutrons, and 8 electrons has an atomic number of
5
6
8
11
An element with 5 protons, 6 neutrons, and 8 electrons has a mass number of
5
6
8
11
The farther an electron is from the nucleus, the more ______ it has.
charge
energy
mass
pull
The majority of the mass of the atom is located in the ______ and the majority of the volume of the atom is located in the ________.
nucleus, electron cloud
nucleus, nucleus
electron cloud, nucleus
electron cloud, electron cloud
Atoms of the same element that have different number of neutrons are called
molecules
ions
protons
isotopes
The total number of electrons in the outer shell of a sodium atom is
1
2
8
18
Which particles determin the atomic number of an element?
protons only
neutrons and protons
neutrons only
protons and electrons
The total number of neutrons in the nucleus of any atom is equal to the
mass number of the atom
atomic number of the atom
atomic number minus the mass number
mass number minus the atomic number
The maximum number of electrons that can occupy the 2nd shell of an atom of magnesium is
1
2
8
18
What is the correct electron arrangement for sulfur? (Hint: think about electron shells!)
2-8-6
2-8-8
4-6-2
2-8-4
An unstable nucleus results from too many or too few
neutrons
protons
electrons
radons
The nucleus of an atom has all of the following characteristics EXCEPT that it
is positively charged
is very dense
contains neraly all of the atom's mass
contains nearly all of the atom's volume
An atom is electrically neutral because
neutrons balance the protons and electrons
nuclear forces stabalize the charges
the number of protons and electrons are equal
the number of protons and neutrons are equal
The nucleus of iostoe A of an element has a larger mass than isotope B of the same element. The number of neutrons in the nucleus of isotope A is _______ the number of neutrons in the nucleus of isotope B.
less than
greater than
the same as
The nucleus of isotope A of an element has a larger mass than isotope B of the same element. The number of protons in the nucleus of iostope A is _____ the number of protons in the nucleus of isotope B.
less than
greater than
the same
Which of the following is a transition metal?
Calcium
Nickle
Aluminum
Tellurium
Which word(s) below is represented by the word "period" on the Periodic Table?
Group
Family
Energy Level
Valence Electrons
When looking at the halogens on the periodic table, how does the number of valence electrons change as the energy level is increased?
The total number of valence electrons doesn't change. It remains at 7.
The total number of valence electrons doesn't change. It remains at 1.
The total number of valence electrons increases by 1 with each energy level.
The total number of valence electrons decreases by 1 with each energy level.
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 th eleft 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
Which of the following elements would be the most reactive?
Iodine
Silicon
Silver
Argon
Which of the following elements would be the least reactive?
Iodine
Silicon
Silver
Argon
What is the atomic number for the isotope Boron-12?
12
5
7
What is the atomic mass for the isotope Boron-12?
12
5
7
How many protons are in the isotope Boron-12?
12
5
7
How many neutrons are in the isotope Boron-12?
12
5
7
How many electrons are in the isotope Boron-12?
12
5
7
Which scientist arranged the elements on the periodic table based on atomic number?
JJ Thompson
Rutherford
Mendeleev
Mosely
Which scientist said the atom was a solid sphere?
Democritus
Dalton
Rutherford
Bohr
Which scientist said that there are electrons surronding the nucleus in an electron cloud made up of shells but do NOT travel in fixed orbits?
Thompson
Rutherford
Shrodinger and Heisenberg
Dalton
Which scientist discovered the nucleus has a positive charge surrounded by negative electrons based off his Gold Foil experiment?
Thompson
Rutherford
Shrodinger and Heisenberg
Dalton
Which scientist arrange the elements on the periodic table based on atomic mass?
Thompson
Mosely
Mendeleev
Dalton
Which scientist called his model the Plum Pudding model where the atom is positive with negative charged particles throughout?
Thompson
Rutherford
Dalton
Bohr
Which scientist stated that electrons travel in fixed orbits around the nucleus of the atom
Thompson
Rutherford
Dalton
Bohr
Which scientist named the atom based on the Greek word meaning indivisible?
Thompson
Democritus
Dalton
Bohr
