Atoms and Isotopes (HSC SSCE Chemistry): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Atom definition
Atom definition
Smallest unit of matter retaining element properties
Proton: charge and location
Proton: charge and location
+1 charge, in nucleus
Neutron: charge and location
Neutron: charge and location
0 charge, in nucleus
Electron: charge and relative mass
Electron: charge and relative mass
-1 charge, mass
Atomic number ()
Atomic number ()
Number of protons in nucleus
Mass number ()
Mass number ()
Protons + neutrons in nucleus
Isotopes
Isotopes
Same element atoms with different neutron numbers
Alpha particle identity and charge
Alpha particle identity and charge
Helium nucleus, +2 charge
Beta particle identity
Beta particle identity
High-speed electron
Half-life
Half-life
Time for half the atoms in a sample to decay