GROWTH DEVELOPMENT CHILD
FORMATIVE ASSESSMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Element
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Compound
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Either A or B
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None of the above
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Detailed explanation-1: -Water is a compound because it is made up of water molecules. There is no such thing as water atoms. Water molecules are made of hydrogen and oxygen atoms, in the definite proportion of two hydrogens for one oxygen.
Detailed explanation-2: -Water is an example of a compound, a mixture of two or more elements, and is created when two hydrogen atoms bond to an oxygen atom.
Detailed explanation-3: -Water is a compound because of the following reasons: It is composed of two different elements, hydrogen and oxygen which cannot be separated by physical methods.
Detailed explanation-4: -It is not a compound because it is made from atoms of only one element-oxygen. This type of molecule is called a diatomic molecule, a molecule made from two atoms of the same type.