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Description
Flashcards by Alex Steele, updated more than 1 year ago
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Created by Alex Steele
almost 8 years ago
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| Question | Answer |
| Exothermic | The action or process by the release of heat or light |
| Observations | The action of process of closely monitoring something |
| Chemical properties | A characteristic of a substance that describes the ability to change other substances (flammability, reactivity) |
| Physical properties | A property of matter not involving in its manifestation a chemical change (as color, hardness, boiling point) |
| Diffusion | A process of particles in a state of liquid, gas or solid moving from a higher concentration to a lower concentration |
| Boiling | Process of turning liquid into gas |
| Condensing | Process of turning gas into liquid |
| Melting | Process of turning solid into liquid |
| Freezing | Process of turning liquid into solid |
| Element | A substance that cannot be broken down into simpler substances by chemical means |
| Isotopes | Atoms that have the same atomic number, but different mass numbers |
| Electron | A negatively charged particle founded from further away from the nucleus |
| Proton | A positively charged particle (smaller than an atom) founded in the nucleus |
| Neutron | A particle found in the nucleus it has no electrical charge which means it is not positive neither negative particle |
| Relative atomic mass | The average weighted mass of the isotopes of the element |
| Relative formula mass | The sum of the atomic weights of the atoms in the empirical formula of the compound |
| Covalent bonding | A type of bond formed between a non-metal and a non metal (negative and negative) element |
| Ionic bonding | A type of bond formed between a metal and a non-metal (positive and negative) element |
| Compound | A substance mixed with two or more elements, a mixture |
| Effervescent | Fizzing |
| Oxidation | Loss of electrons |
| Reduction | Gain of electrons |
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