Key terms used throughout K4 chemistry.
|
atom |
An atom is the smallest part of a substance.
*
|
|
molecule |
A molecule is a group of atoms joined together.
*
|
|
compound |
If two or more different elements are chemically bonded then this is called a compound.
*
|
|
element |
An element is made up of one type of atom.
*
|
|
ion |
An ion is a charged atom.
*
|
|
intermolecular |
The forces of attraction between molecules are called intermolecular forces.
*
|
|
rate |
The rate of reaction is the amount of reactant used or the amount of product formed in a given time.
*
|
|
covalent |
Covalent compounds form between non metals.
*
|
|
displacement |
When a reactive element pushes out a less reactive one, this is called displacement.
*
|
|
precipitate |
A precipitate is a solid formed from a reaction.
*
|
|
endothermic |
An endothermic reaction takes in heat from the surroundings.
*
|
|
exothermic |
A reaction which releases heat to the surroundings is called an exothermic reaction.
*
|
|
concentration |
You need good concentration to win.
*
|
|
aqueous |
In an aqueous solution, water is the solvent.
|
* This sentence was added by a Spellzone user.
Enhance your spelling proficiency with interactive and fun exercises.
How to use:
Look and read the word.
Say the word. Click the speaker icon.
Cover the word.
Write the word.
Check your spelling.
Reinforce your learning through exciting word games.
Summer spelling
Hot spelling fun.
Egg Hunt
Crack the eggs!
Word Search, small
The classic English word game.
Against the Clock
Spelling 'against the clock'.
Mayan Temple
Try the temple spelling puzzle.
Monkey Business
It's bananas!
Measure your progress with a spelling test on these words.
Print this word list for easy offline practice.
Strengthen spelling retention through writing practice.
"I would like to thank you so much for this great website. I have always been ashamed of my spelling but after a few lessons I am already better. It is filling in all the gaps. Thanks."
Student, France