The maximum number of elements that can be accommodated in the sixth period are :
1. 8
2. 18
3. 32
4 16
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe period and group number of the element with Z =114 are:
1. | 8th period and 16th group | 2. | 7th period and 14th group |
3. | 14th period and 7th group | 4. | 9th group and 14th period |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe atomic number of the element present in the 3rd period and 17th group of the periodic table would be:
1. | 18 | 2. | 23
|
3. | 24
|
4. | 17 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe similarity in physical and chemical properties in a group of periodic table is due to the:
1. Same atomic number
2. Same number of valence electrons
3. Same atomic mass
4. Same number of isotopes
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe general outer electronic configuration of s, p, d , and f-block elements respectively would be :
1. | ns1-2, nd2np1-6, (n-1)d1-10np0-2, (n-2)f1-14(n-1)d0-10ns2 |
2. | ns1-2, ns2np1-6, (n-1)f1-10ns0-2, (n-2)g1-14(n-1)d0-1ns2 |
3. | ns1-2, ns2np1-6, (n-1)d1-10ns1-2, (n-2)f1-14(n-1)d0-1 ns2 |
4. | np1-2, nd2np1-6, (n-1)d1-10ns0-2, (n-2)f1-14(n-1)d0-10ns2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe position of elements with an outer electronic configuration as
1. 6th period and 10th group.
2. 7th period and 3rd group.
3. 6th period and 3rd group.
4. 7th period and 9th group.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe factor that does not affect the valence electron is:
1. | Azimuthal quantum number |
2. | Nuclear charge (Z) |
3. | Nuclear mass |
4. | Number of core electrons |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology