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.
Spelling Practice: Year 9 Chemistry - Atoms & ParticlesTest and improve your spelling through focused repetition and drills.
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Spelling Games: Year 9 Chemistry - Atoms & ParticlesChallenge yourself with spelling games and improve accuracy.
Summer spelling
Hot spelling fun.
Egg Hunt
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Word Search, small
The classic English word game.
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