The number of electrons in the species , are respectively:
1. 15, 2, 1
2. 15, 1, 2
3. 1, 2, 15
4. 2, 1, 15
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe maximum number of neutrons are present in the nuclei of:
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe complete symbol for the atom with the given atomic number (Z) and atomic mass (A) would be, respectively :
i. | Z = 17 , A = 35. |
ii. | Z = 92 , A = 233. |
iii. | Z = 4 , A = 9. |
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyProperty which is same for the following species is:
N3–, O2–, F–, Na+, Mg2+ and Al3+
1. Ionic radii
2. Number of electrons
3. Nuclear charge
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn atom of an element contains 29 electrons and 35 neutrons. The number of protons in the element would be:
1. | 29 | 2. | 35 |
3. | 6 | 4. | 64 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe charge on the oil drop is –1.282 × 10–18C. The number of electrons present in it would be :
1. 15
2. 8
3. 2
4. 6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of protons, neutrons and electrons in \( _{71}^{175}Lu\) respectively, are:
1. 104, 71 and 71
2. 71, 71 and 104
3. 175, 104 and 71
4. 71, 104 and 71
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following has greater number of electrons than neutrons?
1. Al3+
2. O2-
3. F-
4. C
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of electrons in 19 K with quantum numbers n=3; l=0 is/are:
1. 2
2. 1
3. 4
4. 3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. 2p and 3p
2. 4p
3. 2p
4. 3p
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology