Atoms Flashcards
What do atoms contain?
Protons
Neutrons
Electrons
What do atoms produce when they react?
Compounds
What is an element?
A substance made of only 1 atom
How are the groups in the periodic table sorted?
Elements with similar properties
What is in a nucleus?
Protons
Neutrons
What are the relative charges?
Proton +1
Neutron 0
Electron -1
The number of …….. = the number of ………
Protons
Electrons
What electrical charge do atoms have?
They don’t have one
What is the atomic number?
The number of protons
What is the atomic mass?
Protons + neutrons
How do you calculate the subatomic particle?
Atomic mass - atomic number
Electrons occupy particular ……… ……..
Energy
Levels
What is the electronic structure of sodium?
2, 8, 1