Atoms

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Atomic Structure

Ved Peter Clark

In glycolysis and enzyme one molecule of glucose is broken into two molecules of pyruvate.

Ved Moses Aidoo

Ionic Compounds

Ved Hernan Scott

Structure and Bonding

Ved Sam Bartlett

Atoms

Mainly empty space

Simplest is hydrogen

3 isotopes

tritium

Radioactive

1 proton, 1 electron, 2 neutrons

deuterium

1 proton, 1 electron, 1 neutron

protium

1 proton, 1 electron

Isotopes

Many are radioactive

Unstable, decay

Element with largest number f isotopes is tin, with 10

Same proton number; varying numbers of neutrons

shells

Charge clouds

electrons

Negatively charged

Negligible mass

Negatively charge

Nucleus

Minute volume within atom (1/15,000)

nucleons

neutrons

protons

Relative mass = 1

positive charge

Proton number

Element

26 artificial

Heaviest is ununoctium

Atomic number 118

Mass number 294

created in nuclear reactors

radioactive

92 Naturally-occurring

Largest naturally occurring is Uranium

Atomic number 92

Mass number 238

Periodic Table

Atomic number