Chem
|
|
reversible |
The picnic blanket was reversible so they could use the waterproof or the soft fabric side.
*
|
|
|
irreversible |
The damage to the car was irreversible.
*
|
|
|
isotope |
An isotope is a variant of a chemical element with a different number of neutrons.
*
|
|
|
ion |
The sodium formed a positive ion.
*
|
|
|
proton |
A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron.
*
|
|
|
neutron |
Neutron is a particle in the nucleus of an atom which has a mass but no charge.
*
|
|
|
electron |
Metals have delocalised electrons.
*
|
|
|
shells |
A subatomic particle with a negative charge. These are found orbiting the nucleus of atoms or ions in shells.
*
|
|
|
positive |
Your 'personality' means the type of person you are, e.g. bubbly, positive.
*
|
|
|
negative |
Chloride is a negative ion.
*
|
|
|
mass |
We often use the word weight when we are talking about mass and how heavy something is, but weight is affected by gravity.
*
|
|
|
periodic |
Separating metals from non-metals on the periodic table.
*
|
|
|
radioactive |
Radioactive is emitting or relating to the emission of ionizing radiation or particles.
*
|
|
|
fusion |
A nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
*
|
|
|
fission |
A nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy.
*
|
* This sentence was added by a Spellzone user.
Spelling Practice: Year 9 Chemistry - Atoms & ParticlesBoost your spelling accuracy through engaging and effective practice.
How to use:
Look and read the word.
Say the word. Click the speaker icon.
Cover the word.
Write the word.
Check your spelling.
Spelling Games: Year 9 Chemistry - Atoms & ParticlesMake learning enjoyable with engaging spelling games.
Springtime Spelling
Spring into spelling!
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!
Take a Spelling Test: Year 9 Chemistry - Atoms & ParticlesAssess your spelling skills with an interactive test.
Printable Activities: Year 9 Chemistry - Atoms & ParticlesTake your spelling practice offline with printable activities.
Handwriting Practice: Year 9 Chemistry - Atoms & ParticlesImprove your spelling by writing these words.
"Thank goodness for Spellzone during this remote learning phase. The site is easy for students to navigate independently and they're really enjoying the activities and spelling games. You get an awful lot for your money with Spellzone. Really reassuring is the very prompt response with helpdesk queries. I've very rarely needed the helpdesk, but when I have, the issue has been addressed and sorted within a very short time."
Sarah Taggart, Oasis Academy Lord's HillConnect with us at: 
