The Atom Flashcards
1
Q
Atom?
A
3 subatomic particles-electrons, neutrons and protons
2
Q
Electrons
A
Relative mass=1/2000
Relative charge=-1
3
Q
Protons
A
Mass=1
Charge=-1
4
Q
Neutrons
A
Mass=1
Charge=0
5
Q
Mass number
A
Protons and neutrons.
6
Q
Proton number
A
Protons, specific too element
7
Q
nucleus
A
Mass is concentrated- contains neutrons and protons
8
Q
Isotopes
A
Atoms with same no of protons, and different of neutrons
9
Q
Similar/different properties in isotopes??
A
Similar chemical-electronic configuration.
Different Physical- density/mass
10
Q
Relative atomic mass
A
Mass of atom do element relative to one twelfth of the mass of atom of carbon 12
11
Q
Relative isotopic mass
A
the mass of an atom of an isotope compared with 1/12th mass of an atom of carbon-12.
