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Science 2017
| Question | Answer |
|---|---|
| Describe the structure of atoms. | Electrons and protons make up the nucleus. |
| Name some of the historical developments of the atomic theory. | J.J Thompson - Plum Pudding Model. John Dalton - electrified water using a battery. |
| What can atoms be represented by? What part of an element is an atom? | Their atomic number. The smallest unit of an element. |
| What is the organisation of the of the elements in the periodic table using their atomic number? | It reads from left to right. Hydrogen is on the very left, then helium is on the very right etc. It reads from left to right. |
| What is the structural formula, empirical formula and structure? | SF - CH3CH2CH3, EP - C3H8, S - H-C-C-C-H |
| What is the definition of abiotic? | Non-living |
| What is the definition of biotic? | Living |
| Describe how energy flows through ecosystems. | Approx 10% etc. |
| What is an example a biotic and abiotic factor? | Biotic is digestion, abiotic is the water cycle. |
| Strategies used to conserve the environment include... | International collaboration, re-using and recycling, and raising awareness of the environmental issues. |
Created by:
T Greenfield
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