THE COMPOSITION OF AIR:
sTable below shows the approximate percentage by volume of the main gases in unpolluted, dry Air:
GAS | PERCENTAGE IN AIR |
NITROGEN | 78 % |
OXYGEN | 21 % |
ARGON | 0.9 % |
CARBON DIOXIDE | 0.04 % |
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1.2: Understand the Interconversions between the Three States of Matter in Terms of: The Names of the Interconversions, How they are Achieved, the Changes in Arrangement, Movement and Energy of the Particles
INTERCONVERSIONS BETWEEN STATES OF MATTER: Diagram showing the interconversions between the states of matter EXPLANATION: CHANGE EXPLANATION...
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COVALENT COMPOUND: Compound involving bonds between Non-Metal and Non-Metal formed by shared pairs of Electrons between the two atoms s DOT-...
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THE PERIODIC TABLE: A zig-zag line in this diagram separates the Metals on the Left, from the Non-Metals on the Right
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PERIOD: Horizontal rows that show the number of shells of Electrons an Atom has GROUP: Vertical columns that show how many outer Electrons a...
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