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How to draw atoms. An atom is the smallest part of an element. Particle Charge Mass Proton Electron Neutron. 1. +. -. 1/2000. 0. 1. How to find protons electrons and neutrons. Mass Number. 7. Li. 3. Proton number. Bottom number. P E n. Bottom number. Top - Bottom number.

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How to draw atoms

How to draw atoms

An atom is the smallest part of

an element

Particle Charge Mass

Proton

Electron

Neutron

1

+

-

1/2000

0

1


How to find protons electrons and neutrons
How to find protons electrons and neutrons

Mass Number

7

Li

3

Proton number

Bottom number

P

E

n

Bottom number

Top - Bottom number



How to draw atoms
Ions

Non-metals

Metals

Positive!!!

Negative


Ionic bonding
Ionic bonding

Metal and a non-metal

+

-

Li

F


Ionic structure
Ionic structure

  • Draw out sodium dots.

  • Draw out fluorine Crosses.

  • Work out electron movement

  • Re-draw ions together.

  • Write the formula.


How to draw atoms

Sodium Fluoride

+

-

Na

F


More than one
More than one!!

Other elements like oxygen need 2

Electrons.


Sodium oxide
Sodium Oxide

2

O

Na

Na

2


How to draw atoms

Beryllium gives 2 electrons.

2

-

2+

-

F

Be

F

2

Beryllium fluoride.


Draw out the following
Draw out the following

  • KF

  • LiCl

  • Li2O

  • BeCl2

  • MgF2