1. Astatine
2. Rubidium
3. Tungsten
4. Cerium
Astatine
1. Atomic mass
2. Atomic radius
3. Electronic configuration in valence shell
4. All of the these
Electronic configuration in valence shell
1. Horizontal row
2. Vertical column
3. Both (A) and (B)
4. Neither (A) nor (B)
Vertical column
1. He
2. Li
3. U
4. H
H
1. Four
2. Three
3. Six
4. Two
Two
1. Na+
2. Na+>Mg2+>AI3+>Si4+
3. Na+>Mg2+
4. Na+AI3+>Si4+
Na+>Mg2+>AI3+>Si4+
1. F, Na
2. CI, Na
3. Li, F
4. F, Li
F, Li
1. Atomic number
2. Atomic mass
3. Electron configuration
4. Metallic character
Atomic number
1. IA group
2. IIA group
3. VA group
4. VIIA group
VA group
1. [Ne] 3s23p1
2. [Ne] 3s23p3
3. [Ne] 3s23p2
4. [Ne] 3d104s24p2
[Ne] 3s23p3