NEW
Font size
WorksheetsAtomic Structure Quiz
Total questions: 20
Worksheet time: 10mins
What determines the atomic number and name of an atom?
The number of neutrons in its nucleus
The number of protons in its nucleus
The number of electrons in its electron shells
The total mass of the atom
What is the mass number of an atom?
The total number of protons and electrons
The total number of neutrons and electrons
The total number of protons and neutrons
The total number of electrons in the valence shell
How does the atomic number change as you go across a period in the periodic table?
It decreases by one
It remains the same
It increases by one
It fluctuates randomly
What are the vertical columns in the periodic table called?
Periods
Groups
Rows
Triads
What subatomic particles are responsible for most of the mass of an atom?
Electrons
Protons and neutrons
Neutrons and electrons
Protons and electrons
What is the atomic number used for in the periodic table?
To determine the mass of an element
To order the elements
To find the number of neutrons
To calculate the valence electrons
What can the electron configurations of the elements explain?
The atomic mass of elements
The properties of the elements
The number of protons in elements
The color of elements
What enables you to identify trends in electron shell arrangements and the properties of elements?
Knowing the atomic mass
Understanding the periodic table
Counting the number of neutrons
Measuring the atomic radius
What affects the way atoms bond with other atoms?
The number of protons
The number of neutrons
The electrons orbiting around the nucleus
The atomic mass
What is the significance of the electron configurations in understanding the periodic table?
It helps in determining the atomic mass
It helps in identifying trends in electron shell arrangements
It helps in finding the number of neutrons
It helps in measuring the atomic radius
What do elements in the same group have in common in their valence shell?
The same number of protons
The same number of neutrons
The same number of electrons
The same atomic mass
What generates a unique 'fingerprint' of different colour patterns for each element?
The number of protons
The number of neutrons
The emission spectrum of light colours
The atomic mass
What is the form of energy released when an electron moves back to its lower energy shell?
Kinetic energy
Potential energy
Light energy
Thermal energy
What do valence-shell electrons often interact with?
Protons
Neutrons
Other atoms
Nucleus
What did students observe in Year 9 when different elements were burned?
The same coloured flames
Different coloured flames
No flames
Only blue flames
What is the primary factor that determines the chemical properties of an element?
The number of protons
The number of neutrons
The number of electrons in the outer shell
The atomic mass
What is the term for the horizontal rows in the periodic table?
Periods
Groups
Columns
Series
What happens to the atomic radius as you move down a group in the periodic table?
It decreases
It remains the same
It increases
It fluctuates randomly
What is the primary factor that determines the reactivity of an element?
The number of protons
The number of neutrons
The number of electrons in the outer shell
The atomic mass
What is the term for elements in the same horizontal row of the periodic table?
Periods
Groups
Columns
Series
