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WorksheetsThe Periodic Table
Total questions: 40
Worksheet time: 53mins
Aiden, Benjamin, and Priya are on a treasure hunt. They stumble upon a chest full of elements. They notice some of these elements are shiny. Which groups of elements could they have found that have this shiny characteristic (luster)?
Metal
Nonmetal
Metalloids
Both metals and metalloids
Is it true that one property of nonmetals is that they are good conductors of electricity?
true
false
Liam and Jackson are having a debate. Liam says that metalloids are weak conductors of heat and electricity, while Jackson disagrees. Who is correct?
Liam
Jackson
All of the following properties are used to classify elements as metals, non-metals, and metalloids EXCEPT —
texture
conductivity
luster
malleability
What is the name of the majority of elements that are to the right of the zig-zag line?
Metals
Nonmetals
Metalloids
Which of these groups of elements could have the characteristic of being brittle?
Metal
Nonmetal
Mia, Rohan, and Avery are having a debate. They are trying to figure out which element in Group 1 is not a metal but a nonmetal. Can you help them settle this?
Helium
Lithium
Hydrogen
Oxygen
What is this element? 1s22s22p63s23p64s23d104p6
Argon
Krypton
Selenium
Bromide
Which atom matches this electron configuration? 1s2 2s2 2p6 3s2
Neon
Magnesium
Aluminum
Potassium
Hannah, Ava, and James are on a science adventure! They come across a mysterious element. Can you help them identify it?
Neon
Fluorine
Magnesium
Argon
What is incorrect about this orbital diagram?
Both arrows in the 2p box should be pointing up.
There is nothing incorrect with this diagram.
In the 2p box, there should only be one electron in the first 2p box and one in the second 2p box.
All the arrows should be pointing up.
Which orbital violates Hund's Rule?
A
B
C
D
Imagine you're in a science quiz with your friends William, Aria, and Ava. The quizmaster asks, 'Each row on the periodic table represents (a) '. What would be your answer?
An energy level
A sublevel
An electron
An orbital
What is the correct Noble Gas shorthand electron configuration for a phosphorus atom?
[Ar] 4s2
[He] 2s22p4
[Ne] 3s23p4
[Ne] 3s23p3
As atoms of elements in group 16 are considered in order from top to bottom, the electronegativity of each successive element...
decreases
increases
remains the same
none of the above
As elements from group 1 are considered in order from top to bottom, the ionization energy of each successive element will (a) .
decrease
increase
remain the same
none of the above
Within period 2 of the periodic table, as the atomic number increases, the atomic radius generally (a)
As you move across the periodic table, the atoms tend to get ______________.
Bigger
Smaller
No change
The smallest atom is located in which part of the periodic table?
top left
top right
bottom left
bottom right
Atoms that have high electronegativity _______________.
give up their electrons more easily.
hold on to their electrons more tightly.
have more electron shells.
Any two charged objects will exert a force on each other. This force is called:
Electrostatic Force
Coulomb's Law
Electrostatic Fields
Field Strength
Define the relationship between electric forces as (a) .
Electrostatic Force
Coulomb's Law
Electrostatic Fields
Field Strength
What do opposite charges do to each other?
Repel each other
Attract each other
The (-) charge indicates that the charge is...
Positive
Negative
According to Coulomb's Law, the further the charges are from each other...
There is no effect on the force between them.
The force between them will be weaker.
The force between them will be stronger.
Which atom has the most electron shielding?
Magnesium
Calcium
Both atoms have the same electron shielding.
Which atom has the highest effective nuclear charge?
Magnesium
Calcium
Both atoms have the same effective nuclear charge.
Which atom has the most electron shielding?
Sodium
Magnesium
Both atoms have the same electron shielding.
What happens to electron shielding as you move down a group on the periodic table?
It increases
It decreases
Stays the same
What happens to the effective nuclear charge as you move across a period on the periodic table (adding protons)?
It increases
It decreases
Stays the same
24.1% of all the isotopes of an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu. What is the average mass of this element?
74.92 amu
24.97 amu
75.01 amu
74.51 amu
An isotope has three forms. 30% have a mass of 4 amu, 20% have a mass of 5 amu and 50% have a mass of 3 amu. What will the average atomic mass be closest to?
2 amu
3 amu
4 amu
5 amu
Isotopes of an element have a different number of what?
Protons
Neutrons
Electrons
Mass
Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium?
85.468 amu
37 amu
85.6 amu
86.4 amu
In order to transition from the ground state to an excited state, an electron must (a) .
If an electron moves from n=4 to n=2, it ____.
absorbs energy
releases energy
Emission spectra (bright line spectra) are created when electrons move from ___.
higher to lower energy levels.
lower to higher energy levels.
s orbitals to p orbitals.
one atom to a different atom.
