Structure of Atom
ATOMS

145246 The frequency of Ka line of a source of atomic number z is proportional to

1 z2
2 (z1)2
3 1z
4 z
ATOMS

145247 If the kinetic energy of an electron of mass 9.0 ×1031 kg is 8.0×1025 J, the wavelength of this electron in nm is

1 11104.1
2 276.2
3 552.2
4 828.4
ATOMS

145248 If the radius of 27Al nucleus is R1, then the radius of 33125Te will be

1 53R1
2 35R1
3 (1353)1/2R1
4 (5313)1/3R1
ATOMS

145246 The frequency of Ka line of a source of atomic number z is proportional to

1 z2
2 (z1)2
3 1z
4 z
ATOMS

145247 If the kinetic energy of an electron of mass 9.0 ×1031 kg is 8.0×1025 J, the wavelength of this electron in nm is

1 11104.1
2 276.2
3 552.2
4 828.4
ATOMS

145248 If the radius of 27Al nucleus is R1, then the radius of 33125Te will be

1 53R1
2 35R1
3 (1353)1/2R1
4 (5313)1/3R1
ATOMS

145249 If elements with principal quantum number n >4 were not allowed in nature, the number of possible elements would be

1 60
2 32
3 4
4 64
ATOMS

145246 The frequency of Ka line of a source of atomic number z is proportional to

1 z2
2 (z1)2
3 1z
4 z
ATOMS

145247 If the kinetic energy of an electron of mass 9.0 ×1031 kg is 8.0×1025 J, the wavelength of this electron in nm is

1 11104.1
2 276.2
3 552.2
4 828.4
ATOMS

145248 If the radius of 27Al nucleus is R1, then the radius of 33125Te will be

1 53R1
2 35R1
3 (1353)1/2R1
4 (5313)1/3R1
ATOMS

145249 If elements with principal quantum number n >4 were not allowed in nature, the number of possible elements would be

1 60
2 32
3 4
4 64
ATOMS

145246 The frequency of Ka line of a source of atomic number z is proportional to

1 z2
2 (z1)2
3 1z
4 z
ATOMS

145247 If the kinetic energy of an electron of mass 9.0 ×1031 kg is 8.0×1025 J, the wavelength of this electron in nm is

1 11104.1
2 276.2
3 552.2
4 828.4
ATOMS

145248 If the radius of 27Al nucleus is R1, then the radius of 33125Te will be

1 53R1
2 35R1
3 (1353)1/2R1
4 (5313)1/3R1
ATOMS

145249 If elements with principal quantum number n >4 were not allowed in nature, the number of possible elements would be

1 60
2 32
3 4
4 64