7. In NaOH:
a. two elements are present
b. a single element is present
c. no element is present
d. three elements are present
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1
Answer:
1 Na or 1 Sodium Atom, 1 O or 1 Oxygen Atom. 1 H or 1 Hydrogen atom. Since there are three different elements, we can say that the substance NaOH has 3 elements in it.
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b three elements are present
Na or 1 Sodium Atom, 1 O or 1 Oxygen Atom. 1 H or 1 Hydrogen atom. Since there are three different elements, we can say that the substance NaOH has 3 elements in it.
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