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The number of neutrons of the element neon (Z = 10, A = 20)Ne is:
Same atomic number
Same number of electrons
Same mass number
8
11
10
10
9 p, 9 e 10 n
The number of neutrons of a fluorine atom that has 9 protons, 9 electrons and 19 nucleons is:
Same atomic number
Same number of electrons
Same mass number
8
11
10
10
9 p, 9 e 10 n
The number of protons of the element sodium (Z = 11, A = 23)Na is:
Same atomic number
Same number of electrons
Same mass number
8
11
10
10
9 p, 9 e 10 n
(Z = 12, A = 25)Mg and (Z = 13, A = 25)X have the:
Same atomic number
Same number of electrons
Same mass number
8
11
10
10
9 p, 9 e 10 n
Isotopes have:
Same atomic number
Same number of electrons
Same mass number
8
11
10
10
9 p, 9 e 10 n
The atomic number of an oxygen atom that has 16 nucleons and 8 neutrons is:
Same atomic number
Same number of electrons
Same mass number
8
11
10
10
9 p, 9 e 10 n
The fluorine atom (Z = 9, A =19)F contains:
Same atomic number
Same number of electrons
Same mass number
8
11
10
10
9 p, 9 e 10 n
(Z= 14, A = 27)X and (Z = 14, A = 28)X have the:
Same atomic number
Same number of electrons
Same mass number
8
11
10
10
9 p, 9 e 10 n
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