Adaptive Practice
Atomic Structure
10 questions • Earn up to 104 XP • First attempt — go for 100%!
0
XP
0
Correct
x1
Combo
Question 1 of 10
⏱ 0:30
Easy
Who discovered the electron?
Easy
Which subatomic particle has a positive charge?
Easy
The atomic number of an element is equal to the number of:
Easy
What is the charge of a neutron?
Medium
In the Bohr model of the atom, electrons revolve around the nucleus in:
Medium
Which of the following represents an isotope of hydrogen?
Medium
If an atom has 11 protons, 12 neutrons, and 11 electrons, what is its atomic mass number?
Medium
Which scientist proposed the nuclear model of the atom after the gold foil experiment?
Hard
The number of electrons in the outermost shell of an atom is called:
Hard
Which of the following statements is true about isotopes?