SSC
CHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An element with a mass number of 10 and an atomic number of 6 has how many protons?
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5
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8
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6
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10
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Explanation:
Detailed explanation-1: -The element carbon (C) has an atomic number of 6, which means that all neutral carbon atoms contain 6 protons and 6 electrons.
Detailed explanation-2: -Carbon atoms with 7 neutrons have an atomic mass of 13 (6 protons + 7 neutrons = 13). These atoms are the isotope called carbon-13.
Detailed explanation-3: -Carbon-12: with 6 protons and 6 neutrons and an atomic mass of 12.
Detailed explanation-4: -Before you start, take a look at carbon on the periodic table. It has an atomic number of 6. That means a carbon atom has 6 protons, 6 neutrons, and 6 electrons.
There is 1 question to complete.