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Counting Elements and Atoms
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How many total atoms are present in the compound Mg(OH)2?
5
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Atoms are the __________ part of a chemical element.
Smallest
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Which molecule do scientists believe came first?
hydrogen
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The big number at the beginning of a formula
coefficient
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Atoms are found on the __________ __________
Periodic Table
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Combining atoms creates __________
Molecules
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How many elements are present in Na2s203
3
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True or false: The outer planets are made up of lighter molecules and the inner planets are made of heavier ones
True
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A group of two or more atoms that are bonded together
molecule
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How many total atoms are present in the compound 2Ca(OH)2?
10
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