Chem
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reversible |
The picnic blanket was reversible so they could use the waterproof or the soft fabric side.
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irreversible |
The damage to the car was irreversible.
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isotope |
An isotope is a variant of a chemical element with a different number of neutrons.
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ion |
The sodium formed a positive ion.
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proton |
A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron.
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neutron |
Neutron is a particle in the nucleus of an atom which has a mass but no charge.
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electron |
Metals have delocalised electrons.
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shells |
A subatomic particle with a negative charge. These are found orbiting the nucleus of atoms or ions in shells.
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positive |
Your 'personality' means the type of person you are, e.g. bubbly, positive.
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negative |
Chloride is a negative ion.
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mass |
We often use the word weight when we are talking about mass and how heavy something is, but weight is affected by gravity.
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periodic |
Separating metals from non-metals on the periodic table.
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radioactive |
Radioactive is emitting or relating to the emission of ionizing radiation or particles.
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fusion |
A nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
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fission |
A nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy.
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* This sentence was added by a Spellzone user.
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Spelling games using the word list: Year 9 Chemistry - Atoms & Particles
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!
Test yourself using the 'Listen and Spell' spelling test.
Print worksheets and activities: Year 9 Chemistry - Atoms & Particles
Handwriting worksheets: Year 9 Chemistry - Atoms & Particles
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