the current atomic model. atomic structure all material are ultimately made up of atoms. atoms are...

The Current Atomic Model

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The CurrentAtomic Model

Atomic Structure• All Material are ultimately made up of

atoms.

• Atoms are the smallest ‘building block’ of matter.

• Each element has a set number of protons eg. Hydrogen has 1 proton, Helium 2 protons and Gold 79 protons

Atomic Structure

• Electrons in shells

• The Nucleons in the Nucleus– Proton– Neutrons

Page 4: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

The total number of protons and neutronsin an atom is called its

mass number.

C12

The number of protons in an atom is called its

atomic number.

Page 5: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

• In a atom…

Number of Electrons = Number of Protons

Page 6: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Electron Configuration

Page 7: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Electron Configuration• The first shell can hold 2 electrons

• The second shell can hold 8 electrons

• The third shell can hold 8 electrons

• The fourth shell can hold 2 electrons

• The electrons always fill up the lowest shell before any other

Page 8: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 9: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 10: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 11: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 12: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 13: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 14: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 15: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 16: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 17: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 18: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 19: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

Page 20: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

• In a atom…

Number of Electrons = Number of Protons

– This means atoms are electrically neutral

– If electrons are added or removed then the atom becomes a charged particle we call an ion

Page 21: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

SodiumAtom

ChlorineAtom

Page 22: The Current Atomic Model. Atomic Structure All Material are ultimately made up of atoms. Atoms are the smallest ‘building block’ of matter. Each element

PositiveSodium

Ion

NegativeChlorine

Ion

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