Matter atoms. matter atoms subatomic protons electrons neutrons.

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Presentation transcript:

matter atoms

subatomic protons electrons neutrons

Positively AMU = atomic mass unit nucleus one

element one two

Negatively electron levels

1/1850 significant atom

Neutral atom charge one

Hydrogen NOT nucleus

empty protons neutrons

broken down chemical

atoms protons nucleus

Atomic Number protons nucleus

neutral protons electrons electrons

abbreviated symbol two

capitalized lower case

Fe iron

old languages

Chlorine yellowish green

elements approved

protons neutrons mass one

NOT mass tiny

decimal isotopes