Chemistery

Mais informações

Пам"ятка для справжнього українця

por Юлія Ахмедова

MATH 171 (Chapter Summary)

por Cindy Shin

Sample Mind Map

por Gabriella Scala

Molecules and Ions

por justin soh

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