WorksheetsAtomic Orbitals and Energy States Quiz
Total questions: 33
Worksheet time: 25mins
How can we model the energy states of electrons in atoms?
By using atomic orbitals
By measuring atomic mass
By observing chemical reactions
By calculating atomic number
In the Bohr model of the atom, how do electrons travel around the nucleus?
In random paths
In specific orbits
In a straight line
In a zigzag pattern
What does each orbit in the Bohr model have?
The same energy
A different energy
No energy
Infinite energy
What is the ground state of an atom?
When electrons occupy the highest energy orbital
When electrons are in a higher energy level
When all electrons occupy the lowest energy orbital
When electrons are shared between atoms
What is the excited state of an atom?
When all electrons are in the lowest energy level
When one or more electrons are in a higher energy level
When electrons are in the same energy level
When electrons are removed from the atom
What happens when electrons move from a higher energy orbit to a lower one?
The atom becomes larger
The atom emits light
The atom loses mass
The atom gains energy
What is true about a lower energy photon?
It has a shorter wavelength
It has a longer wavelength
It has a higher frequency
It has more energy
What principle can be applied to deduce electron configurations for atoms and ions up to Z = 36?
Bohr's model
Aufbau principle
Rutherford model
Quantum theory
What is the electron configuration of the potassium ion (K⁺)?
1s² 2s² 2p⁶ 3s² 3p⁶
1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹
1s² 2s² 2p⁶ 3s² 3p⁶ 4s²
1s² 2s² 2p⁶ 3s² 3p⁵
Why are valence electrons important?
They determine the atomic mass
They play a big role in the chemical and physical behavior of atoms
They are responsible for radioactivity
They determine the color of the atom
What trend is observed in group 17 elements down a group?
Increasing non-metallic character
Decreasing non-metallic character
Increasing atomic number
Decreasing metallic character
What environmental issue is caused by gaseous non-metal oxides?
Global warming
Acid rain
Ozone depletion
Soil erosion
What does the periodic table consist of?
Periods, groups, and blocks
Rows, columns, and sections
Layers, levels, and zones
Parts, segments, and divisions
What does the period number indicate in the periodic table?
The number of protons
The outer energy level occupied by electrons
The atomic mass
The number of neutrons
Which classification includes elements like sodium and potassium?
Noble gases
Halogens
Alkali metals
Transition elements
Which classification includes elements like fluorine and chlorine?
Noble gases
Halogens
Alkali metals
Transition elements
Which classification includes elements like iron and copper?
Noble gases
Halogens
Alkali metals
Transition elements
Which block in the periodic table contains the element Helium (He)?
s-block
p-block
d-block
f-block
What is the name of the block that includes Lanthanides and Actinides?
s-block
p-block
d-block
f-block
Which block in the periodic table is known for containing transition metals?
s-block
p-block
d-block
f-block
Why does the atomic radius decrease across a period?
Increased nuclear charge with same energy levels
Decreased nuclear charge with more energy levels
Increased atomic mass
Decreased atomic mass
What is electronegativity?
The tendency of an atom to attract electrons to form a covalent bond
The ability of an atom to lose electrons
The energy required to remove an electron
The mass of an atom
What is the trend of ionization energy across a period?
Decreases
Increases
Remains constant
Fluctuates randomly
Which element is known for having the highest electronegativity?
Fluorine
Nitrogen
Chlorine
Oxygen
What is the trend of atomic size down a group in the periodic table?
Decreases
Increases
Fluctuates randomly
Remains constant
1s2 2s2 2p6 3s2
[Xe] 6s2 4f14 5d9
