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. |