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| Question | Answer |
| What are Atoms? | Atoms are the smallest particles of matter, that we cannot break down by chemical means |
| What makes an element an element? | Elements are made up of only one kind of atom |
| The properties of a solid... | particles are densely packed and have strong forces (vibrate) |
| Absolute zero is... | ...the temperature at which particles do not move (- 273°) |
| What is diffusion | when a substance moves from an area of high concentration into an area of low concentration |
| What is distillation? | the process of heating a mixture (with a liquid) to separate two elements by evaporating the other |
| What are sub-atomic particles? | protons, neutrons, electrons (particles found in an atom) |
| what are isotopes? | atoms of the same element but with different numbers of neutrons |
| what defines a "noble element" | an element with a full shell of electrons (1st shell = 2 electrons 2nd shell = 8 electrons) |
| When is an ionic bond most likely to occur? | When the elements are further away from one another on the periodic table of elements |
| What is osmosis? | the spontaneous net movement of solvent molecules through a semi-permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides |
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