BIOCHEMISTRY
PROPERTIES OF WATER
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many protons are in one atom of potassium (K)?
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9
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18
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19
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38
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Explanation:
Detailed explanation-1: -All isotopes of potassium will have the same number of protons inside their nucleus, i.e. 19 protons.
Detailed explanation-2: -The element potassium has an atomic number 19 and a mass number is 39.
Detailed explanation-3: -The element with an atomic number (or protons) of 19 is potassium with the chemical symbol K.
Detailed explanation-4: -Potassium (K) atom has 19 electrons.
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