WorksheetsAtomic Structure & Periodicity Review - Honors
Total questions: 31
Worksheet time: 12mins
The nucleus of an atom contains:
Protons
Electrons
Neutrons
The energy levels of an atom contains:
Protons
Electrons
Neutrons
Which of the following is correct for the charges of the sub-atomic particles in an atom?
Proton: positive; Electron: negative; Neutron: neutral
Proton: positive; Electron: neutral; Neutron: negative
Proton: negative; Electron: positive; Neutron: neutral
Proton: neutral; Electron: negative; Neutron: positive
none of these choices
Which of the sub-atomic particles have a relative mass of 1 amu?
Proton
Electron
Neutron
Which of these element atoms has 6 energy levels?
Selenium (34)
Carbon (6)
Barium (56)
None of these
How many valence electrons does an atom of gallium (31) have? Enter only the digit for an answer (Ex: 10...not ten).
(a)
Which of the following is the least reactive non-metal?
Oxygen (8)
Fluorine (9)
Sulfur (16)
Can not be determined
Which of these is the most reactive metal?
Sodium (11)
Magnesium (12)
Potassium (19)
Can not be determined
Where are the metals generally located on the periodic table?
To the left of the stair-step line.
To the right of the stair-step line.
Bordering the stair-step line.
Which of these is a correct electron dot diagram for an atom of selenium (34)?
None of these choices
What is the charge of an atom?
Positive, as they have more protons than electrons.
Negative, as they have more electrons than protons.
Neutral, as they have the same amount of protons and electrons.
Need more information to determine.
How many protons does an atom of niobium (41) contain? Enter only the digit (Ex: 10...not ten).
(a)
How many electrons does an atom of niobium (41) contain? Enter only the digit (Ex: 10...not ten).
(a)
How many neutrons does the most common atom of niobium (41) contain? Enter only the digit (Ex: 10...not ten).
(a)
Each element is made up of only one type of atom.
True
False
Which of the following is used to identify what element an atom is?
Number of protons.
Number of electrons.
Number of neutrons.
The atomic mass.
The mass number.
Why is the atomic mass of boron (5) 10.81 amu?
That is the number of protons plus neutrons in most boron atoms.
That is the average mass of a boron atom.
This is the most common mass of a boron atom.
That is the mass of the major isotope of boron.
Why can an atom of nitrogen have more than one mass number?
The number of neutrons and electrons can vary in an atom of nitrogen.
The number of protons can vary in an atom of nitrogen.
The number of electrons can vary in an atom of nitrogen.
The number of neutrons can vary in an atom of nitrogen.
Why can an element have only one atomic number?
The number of protons can never change for an element's atom.
The number of electrons can never change for an element's atom.
The number of neutrons can never change for an element's atom.
None of these choices
What is the number of protons in the isotope zinc - 67? Enter only the digit (Ex 10...not ten).
(a)
What is the number of neutrons in the isotope zinc - 67? Enter only the digit (Ex 10...not ten).
(a)
What is the name of the isotope with 13 protons and 13 neutrons?
aluminum
aluminum - 13
aluminum - 27
None of these choices
Using the periodic table, we can infer that which isotope of niobium (41) is the most common?
niobium - 92
niobium - 92.91
niobium - 93
niobium - 41
Calculate the atomic mass of the following element "zoink" [write a number to the tenths spot (Ex: 44.4...not 44 or 44.43) and a unit in abbreviated form (Ex: g...not grams) for the answer]:
8% of the atoms are zoink - 28
52.5% of the atoms are zoink - 29
39.5% of the atoms are zoink - 30
(a)
Which of the following element atoms would we predict to have the smallest atomic radius?
sodium (11)
sulfur (16)
rubidium (37)
tellurium (52
Electron affinity typically increases:
As the atom gets smaller, because it then has a greater effective nuclear charge and less shielding.
As the atom gets smaller, because it then has a lower effective nuclear charge and less shielding.
As the atom gets larger, because it then has a greater effective nuclear charge and more shielding.
As the atom gets larger, because it then has a lower effective nuclear charge and more shielding.
Ionization energy typically increases:
As the atom gets smaller, because it then has a greater effective nuclear charge and less shielding.
As the atom gets smaller, because it then has a lower effective nuclear charge and less shielding.
As the atom gets larger, because it then has a greater effective nuclear charge and more shielding.
As the atom gets larger, because it then has a lower effective nuclear charge and more shielding.
Which of the following element atoms do we say is stable?
Krypton (36)
Silver (47)
Bromine (35)
Rubidium (37)
None of these choices
What orbital block is the element vanadium (element 23) located in?
s
d
p
f
Write the SYMBOL of the element with this electron configuration:
[Kr]5s24d1
(a)
How many electrons are in energy level 3 for the element vanadium (element 23)?
(a)
