Chemistery

Honelako gehiago

The Cay

blanqui Gonzalez‑k egina

Els estats de la matèria

Carles Sarroca‑k egina

Atoms

Alan Crooks‑k egina

Frankenstein and biotechnology

Jandayra da Silva‑k egina

Chemistery

The atom

Atomic number: the number of protons in the nucleus is called the atomic number.

Electrons: Located outside the nucleus.

Protons: protons are located inside the nucleus.

Ionic charges and chemical families

Balancing chemical equations

step 6: Recount evrything.

step 5: Balance O or H- whichever os left over.

step 4: Balance H or O- whichever does not appear as diatomic comound.

step 3: balance all ions that are not H or O.

step 2: Balance any polyatomic ions.

step 1: make a table to show what is present in your equation as given.

counting atoms in molecules