Making toast
Polishing silver
same # of protons but different # of neutrons
the sum of protons and neutrons
Which element has 92 protons?
The group that does not like to react
Ice Melting
1 type of atom is to element as 2 or more type of atom is to ______.
elements with same chemical properties, same ______.
The current model of the atom
A new substance is formed
How many neutrons does Carbon have?
Moves around the nucleus of an atom
Face blushing
T/F: Plutonium is radioactive
mass cannot be destroyed or created
tells the number of protons of an atom
energy (heat) was released due to reaction
the substances you begin with
what can group numbers on the Periodic Table help you determine
chemical formula of salt
The most reactive group
Which element has an atomic number of 54?
charge particles that form when atoms lose or gains electrons
where electrons can move about
