4.3 Organising ElementsApril 12, 2023

How many ways have you heard the word ‘Elements’?

Learning outcomesI can:

Before the unit

I have learned this

I have revised this

I can identify elements and compounds from their names. (Level 5)I can explain the difference between elements and compounds using ideas about atoms. (Level 6)

I can talk about how the Periodic Table is arranged in groups and periods. (Level 3)

I can tell if an element is a metal or non-metal by looking at the Periodic Table. (Level 4)

I know some properties and uses of metals and non-metals. (Level 4)

I can identify whether an element is a metal or a non-metal from its properties. (Level 5)

I can use the Periodic table to make predictions about the properties of elements. (Level 7)

I can use information about chemicals to write down a detailed risk assessment. (Level 6)

I can use my observations to explain when a chemical reaction has happened. (Level 6)

I can summarise chemical reactions using word equations. (Level 6)

I can describe how distillation separates mixtures. (Level 5)

I can explain how a mixture is different to a compound or element. (Level 5)

I can talk about why the total mass does not change during an experiment. (Level 6)

I can discuss how chemicals can be used for both peaceful uses and in war. (Level 5)

I can use symbol equations to show what happens during reactions (Level 7)

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What are the elements made from?

• The word elementary means simple. Elements are simple substances. The particles that make up an element are called atoms (indivisible). An atom is the smallest particle of an element you can get (normally)

• You cannot split up an element into anything simpler using chemical reactions.

Symbols and Signs

• Each element has its own symbol. Sometimes the symbol is the first letter of the name. The symbol for carbon is C and the one for oxygen is O. There are 115 elements and only 26 letters in the English alphabet so most have two letters

• Aluminium is Al and copper is Cu. The same chemical symbols are used throughout the world. The letters do not always match the symbols, like Pb for lead and Ag for silver

http://www.ptable.com/?lang=fr

http://www.youtube.com/watch?v=d0zION8xjbM

Non-metals

Metals

Using the chemical symbols, come up with as many words as you can . A commendation for the longest word and five if its

longer than mine.E.g. LiON (lithium, oxygen, nitrogen)

HYPErCoNScIOUSnEsSeS

Hydrogen-Yttrium-Phosphorous-Erbium-Cobalt-Nitrogen-Scandium-Iodine-Oxygen-Uranium-Tin-Einsteinium -Selenium-Sulfur

Homework

• Choose any element from the periodic table and design a poster highlighting:– The name– The symbol– The first time it was used– Where it is found– Uses– Make it interesting!