SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the mass number of an atom with 14 protons, 14 electrons, & 16 neutrons?
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14
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16
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30
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44
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Explanation:
Detailed explanation-1: -30 is the mass number of the atom.
Detailed explanation-2: -Answer and Explanation: Silicon has 14 protons and 14 neutrons. Silicon’s atomic number is 14, which tells us that it has 14 protons. It has an atomic mass of 28.
Detailed explanation-3: -The atomic number of an element is also the number of protons. As such, the neutral atom has 14 protons and 16 neutrons. The element with an atomic number of 14 is silicon.
Detailed explanation-4: -For example, silicon has 14 protons and 14 neutrons. Its atomic number is 14 and its atomic mass is 28.
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