Exploring Atomic Structure and Isotopes

Quiz
•
Science
•
8th Grade
•
Medium
Standards-aligned
Shella Luda
Used 1+ times
FREE Resource
34 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is known as the father of modern atomic theory?
Albert Einstein
John Dalton
Niels Bohr
Dmitri Mendeleev
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of an element?
The number of protons in an atom
The number of neutrons in an atom
The number of electrons in an atom
The sum of protons and neutrons in an atom
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements best describes isotopes?
Atoms with the same number of protons but different numbers of neutrons
Atoms with the same number of neutrons but different numbers of protons
Atoms with the same number of electrons but different numbers of protons
Atoms with different numbers of protons and neutrons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the atomic mass listed on the periodic table?
It represents the number of protons in an atom
It represents the average mass of all isotopes of an element
It represents the number of electrons in an atom
It represents the mass of the most common isotope
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scientist proposed the planetary model of the atom?
J.J. Thomson
Ernest Rutherford
Niels Bohr
James Chadwick
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the number of neutrons in an isotope?
Subtract the atomic number from the atomic mass
Add the atomic number to the atomic mass
Subtract the atomic mass from the atomic number
Add the number of protons and electrons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the periodic table primarily organize elements by?
Atomic mass
Atomic number
Number of isotopes
Chemical reactivity
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