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KEy question: What exactly is an atom?
KEy question: What exactly is an atom?
Task 1 - Do now
Task 1 - Do now
Have a look at the pictures below, these are all small things. But which is the biggest and which is the smallest, oput them order.
Have a look at the pictures below, these are all small things. But which is the biggest and which is the smallest, oput them order.
Task 2 - So what is an atom?
Task 2 - So what is an atom?
Atoms are the building blocks of everything. Everything you can think of is made up on millions of atoms.
The structure of an atom is show here.
A is the nucleus - the central part of the atopm containing 2 sub atomic particles called rotons and Neutrons.
B is a Proton, this has a Positive charge and a mass of +1
C is a neutron, it has no electric charge at all and a mass of +1
D is an electron, tiny compared to Protons and Neutrons with almost 0 mass, it has a negative electric charge and circles the nucleus
Use this info to complete the table on TASK 2 of the companion sheet
Task 3 - Meet the elements
Task 3 - Meet the elements
The image to the left shows you how to read information from the periodic table.
The image to the left shows you how to read information from the periodic table.
An ELEMENT is a substacne that is only made up ok 1 type of atom
An ELEMENT is a substacne that is only made up ok 1 type of atom
For example: I piece of Gold (Au) is made up of milliions of identical Gold atoms joined together. No other type of atoms allowed!
For example: I piece of Gold (Au) is made up of milliions of identical Gold atoms joined together. No other type of atoms allowed!
Task 4 - The top 20!
Task 4 - The top 20!
Lets learn about the first 20 elements on the periodic table.
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