How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an...

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How to draw atoms Particle Charge Mass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000

Transcript of How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an...

Page 1: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

How to draw atoms

Particle Charge Mass

ProtonElectronNeutron

An atom is the smallest part of an element

+-0 1

11/2000

Page 2: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

How to find protons electrons and neutrons

Li3

7

Proton number

Mass Number

PEn

Bottom numberBottom numberTop - Bottom number

Page 3: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

Need to know how to draw the first 20 atoms

Nucleus

2,8,8

Page 4: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

Ions

Metals

Non-metals

Positive!!!

Negative

Page 5: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

Ionic bonding

Li F+ -

Metal and a non-metal

Page 6: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

Ionic structure

• Draw out sodium dots.

• Draw out fluorine Crosses.

• Work out electron movement

• Re-draw ions together.

• Write the formula.

Page 7: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

Na F+ -

Sodium Fluoride

Page 8: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

More than one!!

Other elements like oxygen need 2 Electrons.

Page 9: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

Sodium Oxide

2

Na

Na

O

2

Page 10: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

Be F2+ -F -

2

2

Beryllium gives 2 electrons.

Beryllium fluoride.

Page 11: How to draw atoms ParticleChargeMass Proton Electron Neutron An atom is the smallest part of an element + - 0 1 1 1/2000.

Draw out the following

• KF

• LiCl

• Li2O

• BeCl2• MgF2