Test 1 - The atom Flashcards
1
Q
What is an Atom and what is it made of?
A
-An atom is built up by subatomic particles. (electrons, neutrons, protons.)
2
Q
What charge do the subatomic particles have?
A
-Protons - Positive Neutrons - Neutral Electrons - Positive
3
Q
How many Electrons can each energy shell hold?
A
-The inner one can hold 2 and the rest can hold up to 8.
4
Q
Why are electrons extremely important for atoms?
A
-Because without the electrons the atoms can’t join together and create molecules.
