The photograph is of Maire Curie (1867-1934) - Junior Cycle Science - Question (b) - 2007
Question (b)
The photograph is of Maire Curie (1867-1934). She showed the existence of the element radium and she produced 0.1 g of the compound radium chloride in 1902 by proces... show full transcript
Worked Solution & Example Answer:The photograph is of Maire Curie (1867-1934) - Junior Cycle Science - Question (b) - 2007
Step 1
Element
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Answer
An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom. For example, radium is an element where all atoms have the same atomic number, which indicates the number of protons in the nucleus.
Step 2
Compound
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Answer
A compound is a substance formed when two or more elements are chemically combined. In the case of radium chloride, it consists of radium and chlorine atoms that have bonded together in a fixed ratio and display unique chemical properties distinct from the individual elements.
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