What is the charge of a neutron?

Atomic Structure and Radiation Concepts

Interactive Video
•
Chemistry, Science, Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Positive
Negative
Variable
Neutral
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many times smaller are electrons compared to protons or neutrons?
2000 times
1000 times
500 times
100 times
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the atomic number of an element represent?
Number of electrons
Number of energy levels
Number of protons
Number of neutrons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an atom has 3 protons and 4 neutrons, what is its mass number?
3
4
7
12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What defines isotopes of the same element?
Same number of protons and neutrons
Same number of electrons, different protons
Same number of neutrons, different protons
Same number of protons, different neutrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called when unstable isotopes emit radiation?
Ionization
Radioactive decay
Excitation
Fusion
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when an electron becomes 'excited'?
It moves to a higher energy level
It leaves the atom
It moves to a lower energy level
It changes into a proton
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