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The science concerned with the composition of matter and the changes that matter undergoes
Chemistry
This subatomic particle plays the greatest role in determining the physical and chemical properties of an element
Proton
Name all 3 subatomic particles.
Protons Neutrons Electrons
An atom or group of atoms that has a positive or negative charge
ion
Information obtained directly by using your senses.
observation
Variable that one changes during an experiment
independent/ manipulated variable
No matter which principal energy level, the maximum number of electrons in the "d" orbitals is:
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What is the formula for density?
Density = Mass/Volume (Mass over volume)