Periodic Table
How many columns are there in the periodic Table
18
Rusting is
A chemical change
What charge has a positive charge
Proton
What is an covalent bonds
NM and NM
How many elements are there in the periodic table
118
Changing the state of matter is
A physical change
What charge has a negative charge
Electron
What is an ionic bond
NM and M
How many rows are there in the periodic Table
7
Burning wood is
A chemical Change
What charge has a neutral charge
Neutron
How do covalent bond divide
Transfer
What is the first element on the periodic table
Hydrogen
What is one thing that doesn't digest
Metal
What holds the neutrons and protons
the nucleus
How do ionic bonds divided
share
What is the rarest element on earth
Francium
When something reacts with something it is
A chemical change
What do electrons orbit in
Electron cloud
Ca and h is a covalent or ionic
covalent