Elementary and Fizzes and Bangs Flashcards
What is a compound
Pure substances made up of two or more different elements chemically joined in fixed amounts
What is an element
Pure substances made up of only one type of atom
What are mixtures
Not pure substances that contains elements and compounds in no fixed amount
What is the group on the first vertical row on the periodic table
Alkali metals
What is the group called in the second vertical row
Alkali earth metals
What are the elements in the middle of the periodic table
Traditional metals
What is the group in the second last vertical row
Aalogens
What is the group on the last vertical column
Noble gases
How can you identify a chemical change
If their is a change of colour, irreversible and a new substance is formed
How can you identify if something is a physical change
Change of shape
Mixing
Dissolving
Changing shape
What are the elements at the start of a word equation of process
Reactants
What is the final result of a physical or chemical change
Product
What is a long molecule with smaller identical molecules bonded together
Polymer
What are the small molecules in a polymer
Monomers
The word atom comes from the Greek word which means
Atomos which means cannot be divided
