Effect of Nuclear Charge
Trending Questions
4s orbital
4f orbital
4p orbital
4d orbital
The bromine atom possesses 3s electrons. It contains six electrons in 2p orbitals, six electrons in 3p orbitals and five electrons in 4p orbitals. Which of these electrons experience the lowest effective nuclear charge?
4p
2p
3s
3p
Which one of the following orbitals can hold only two electrons?
2p
3s
5f
4d
- Decreases first then increases
- Increases
- Decreases
- Remain unchanged
The incorrect hydrated radius order is:
Li+(aq)<Be2+(aq)
Na+(aq)<Al3+(aq)
I−(aq)>Cl−(aq)
Ba2+(aq)<Ca2+(aq)
Which of the following orders of ionic radii is correctly represented?
H−>H+>H
Na+>F−>O2−
O2−>F−>Na+
Al3+>Mg2+>N3−
- 5
- 7
- 14
- 2
How many electrons are there in s orbit?
- Schottky defect
- Metal excess defect
- Frenkel defect
- Stoichiometric defect
The bromine atom possesses 35 electrons. It contains 6 electrons in 2p orbital, 6 electrons in 3p orbital and 5 electrons in 4p orbital. Which of these electron experiences the lowest effective nuclear charge?
- 2.6
- 4.6
- 3.6
- 1.6
How many orbitals are filled in second period?
3
6
4
1
How many unpaired electrons are present in Fe+2 , Cr+3 , Cu+1.
The correct order of the decreasing ionic radii among the following isoelectronic species is [CBSE A1PMT 2010]
Ca2+>K+>S2−>Cl−
Cl−>S2−>Ca2+>K+
S2−>Cl−>K+>Ca2+
K+>Ca2+>Cl−>S2−
Which one of the following is the smallest cation?
Na+
Mg2+
Ca2+
Al3+
- 1.6
- 4.6
- 3.6
- 2.6
- Mg2+
- Sr2+
- Be2+
- Be2+
- Ca2+
How many electrons in an atom can have the Quantum numbers? I) n=3, l=1 II) n=3, l=2, m2=0
What does atomic radius and ionic radius really mean to you?