abcbiology

angthing that occupies space and has mass the physieal of the univese

• Reactant

• Matter

• Molecule

• Element

pure Substance that cannot be broken dawn into other substancesbychemcal

• Element

• Ion

• Isotope

• Molecule

elements that make up less than 0.01% of your body mass

• Product

• Solvent

• Trace element

• Element

smallest possible particle of an element

• Ion

• Atom

• Compound

• Proton

subatomie particle with pasitive charge

• Ion

• Electron

• Neutron

• Proton

subatomic partzle with negative charge

• Netron

• Electron

• Proton

• Acid

subatomic particle with no'charge, electrically neutral

• Neutron

• Electron

• Proton

• Ion

a central core when protons and neutrons are lightly pacKed together

• Nucleus

• Electron

• Compound

• Molecule

the number or protons nanucleas

• pH scale

• Electron

• Proton

• Atomic number

element that has altemate forms, same number of protons, different number of neutron

• Isotope

• Polar molecule

• Radiactive isotopes

• Base