[Ar]3d54s2
The noble gas configuration for manganese is [Ar]4s23d5
Electron Configuration for Mg: 1s2 2s2 2p6 3s2 Noble Gas Notation for Mg: [Mg] 3s2
The atomic no of Cobalt is 27 which is intermediate of 18 for noble gas Argon and 36 for noble gas Krypton, practically Cobalt can't accept 9 electrons similarly can not donate nine electrons so it tends to reach the electronic configuration of Krypton by forming extra coordinate covalent bond.
No, it is a noble gas
Radon is a noble gas and is radioactive.
The noble gas configuration for manganese is [Ar]4s23d5
[Ar]3d54s2
[Ar]3d54s2
Metal
Electron Configuration for Mg: 1s2 2s2 2p6 3s2 Noble Gas Notation for Mg: [Mg] 3s2
The atomic no of Cobalt is 27 which is intermediate of 18 for noble gas Argon and 36 for noble gas Krypton, practically Cobalt can't accept 9 electrons similarly can not donate nine electrons so it tends to reach the electronic configuration of Krypton by forming extra coordinate covalent bond.
No, it is a noble gas
Radon is a noble gas and is radioactive.
no. it is a molecule, not a noble gas
A noble gas is colorless.
Neon is a noble gas.
argon is a noble gas