Unit 4 Lesson .05-Nucleus of the Atom Flashcards
1
Q
How do neutrons help protons?
A
They help protons so they don’t repel each other.
2
Q
What are protons and neutrons made of?
A
Smaller particles called quarks.
3
Q
What charge do up quarks have?
A
Positive 2/3 charge.
4
Q
What charge do down quarks have?
A
Negative 1/3 charge.
