structure of the atom Flashcards
1
Q
atom meaning
A
the smallest particle that carries out the properties of a specific element
2
Q
molecule meaning
A
two or more atoms chemically combined. could represent an element or a compound.
3
Q
electronic structure
A
2,8,8,2
4
Q
relative mass
A
proton: 1, electron: 1/2000, neutron: 1
5
Q
relative charge
A
proton: 1, neutron: 0, electron: -1
6
Q
atomic number meaning
A
number of protons
7
Q
mass number meaning
A
number of protons + number of neutrons
8
Q
number of neutrons equation
A
mass number - atomic number
9
Q
what are ions?
A
charged atoms
10
Q
meaning of isotopes
A
atoms with the same number of protons but different number of neutrons
