Atoms, Elements and Compunds

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Chapter 2: Chemistry.

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Presentation transcript:

Atoms, Elements and Compunds Lesson 1- Introduction

Learning Objective: Learning Outcome To understand what an element and a molecule is To be able to interpret some of the chemical symbols Learning Outcome To be able to define what an element is To be able to name some the elements from the symbols Success Criteria You need to be able to work on you own and in a pair in an efficient manner to be able to complete the main task

What do the symbols stand for? http://www.youtube.com/results?search_query=the+elements+song+they+might+be+giants&aq=7s&oq=the+elemants+s What do the symbols stand for? Take these down in your books and write the answers while we watch the video! He- H- Fe- C- Ne- Ag- Na-

Research activity 15mins Success Criteria What is an atom? What is an element? How many are there? List some examples. What is a molecule? What is a compound? Write a short paragraph about the periodic table. Working in pairs use the laptop to find information Success Criteria You need to be able to work on you own and in a pair in an efficient manner to be able to complete the main task

What is an element? All substances are made of very tiny particles called atoms. There are about one hundred substances that are made up of just one type of atom. These are the elements. carbon helium copper The elements are the simplest substances in the universe. The elements are the building blocks of all other substances.

Atoms in elements An element is a substance made up of only one type of atom. Copper is an element made up of copper atoms only. Carbon is an element made up of carbon atoms only. Helium is an element made up of helium atoms only.

Atoms and molecules of elements An element is a substance made up of only one type of atom. In some elements, the atoms are joined in groups of two or more. A particle containing atoms grouped in this way is called a molecule. Oxygen is an element made up of oxygen atoms only. How many atoms are there in an oxygen molecule? Other elements, that contain atoms joined in molecules are hydrogen, nitrogen, chlorine and bromine.

You have been given a worksheet, in silence read the instructions Let’s make an element 2. Pick one element which you will make 3. Start making your element ! Every element is different- it has a different number of electrons and protons!

Chemical symbols game