

Atomic Structure and Ions
Interactive Video
•
Chemistry, Physics, Science
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which subatomic particle is positively charged?
Photon
Electron
Neutron
Proton
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Rutherford discover about the atom?
Electrons orbit in fixed paths
Atoms have no charge
Atoms are mostly empty space
Atoms are solid spheres
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the atomic number of an element represent?
The number of electrons
The number of protons
The number of neutrons
The total mass
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is an isotope formed?
By changing the atomic number
By changing the number of protons
By changing the number of electrons
By changing the number of neutrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when an atom loses an electron?
It becomes an isotope
It becomes a negatively charged ion
It becomes a positively charged ion
It becomes a neutral atom
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of an ion with more electrons than protons?
Positive
It depends on the element
Negative
Neutral
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an atom has 20 protons and 18 electrons, what is its charge?
2+
2-
Neutral
1+
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