Subatomic Particles Flashcards
1
Q
Protons
A
Relative mass- 1
Relative charge- +1
2
Q
Neutron
A
Relative mass-1
Relative charge- 0
3
Q
Electron
A
Relative mass- very small
Relative charge- -1
4
Q
Equation for working out number of neutrons
A
Mass number (top one, HEAVIEST SO ITS AT THE TOP) — atomic number (ATOM, SMALL SO AT BOTTOM)
5
Q
What’s an isotope
A
Same number of protons, different number of neutrons—- SAME ATOMIC NUMBER, DIFFERENT MASS
Eg chlorine is 35 then 17 but could be 37 and 17
6
Q
Metal lose electrons to form ???
A
POSITIVE IONS
-non metal gain electrons to form negative ions