Subject Index / Science / Chemistry / Chemical elements
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SOS Children, which runs nearly 200 sos schools in the developing world, organised this selection. SOS Children works in 45 African countries; can you help a child in Africa?
Wikipedia for Schools is a selection taken from the original English-language Wikipedia by the child sponsorship charity SOS Children. It was created as a checked and child-friendly teaching resource for use in schools in the developing world and beyond.Sources and authors can be found at www.wikipedia.org. See also our Disclaimer.