Parts of Atom Flashcards
(5 cards)
1
Q
Protons
A
In nucleus
makes up mass no. with neutrons
2
Q
Electron
A
In shells, negative charge
basically weightless
1/1836 of a proton
3
Q
Neutrons
A
Neutral
In nucleus
Makes up mass no. with protons
protons - neutrons = electrons
4
Q
What determines the chemical properties of an atom
A
Valence electrons - determining whether or not the atom is stable or can form bonds
When stable - no reactions
Unstable - reactions
5
Q
A
