EARTH SCIENCE
GROUNDWATER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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There are ____ elements and ____ atoms in H2 O.
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2/2
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2/3
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3/2
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3/4
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Explanation:
Detailed explanation-1: -The molecular formula of hydrogen peroxide is H2O2; there are two H atoms and two O atoms in each molecule.
Detailed explanation-2: -The Hâ‚‚ molecule consists of two atoms of H (hydrogen).
Detailed explanation-3: -A water molecule has three atoms: two hydrogen (H) atoms and one oxygen (O) atom.
Detailed explanation-4: -3H2O is made up of three hydrogen atoms, two oxygen atoms, and one molecule of water. This means that 3H2O has a total of six elements: three hydrogen atoms, two oxygen atoms, and one molecule of water.
There is 1 question to complete.