The Atom Flashcards
1
Q
Define Electron
A
Negatively charged particles
2
Q
Define Neutron
A
Uncharged particles
3
Q
Define Nucleus
A
A small dense center that has a positive charge and is surrounded by moving electrons.
4
Q
Define Protons
A
Positively charged particles in the nucleus.
5
Q
Define Electron Cloud
A
An area around the nucleus.
6
Q
Define Atomic Number
A
The number of protons in the nucleus of an atom.
7
Q
Define Mass Number
A
The total number of protons and neutrons in an atoms nucleus.
8
Q
What’s an Isotope
A
Atoms of the same element that have the same number of protons but the number of neutrons may differ.
9
Q
A
