Question

Elements with atomic number 101 and 104 belongs respectively to
1) Actinoids and group 4
2) Actinoids and group 6
3) group 11 and group 6
4) group 4 and group 6 ​

Answer 1

Answer:

actinoids and group4

this is your answer

Answer 2

Answer:-

Option (a) is your answer!!!

Explanation:-

101 element is Mendelevium (Md):

• Mendelevium is a synthetic element with the symbol Md (formerly Mv) and atomic number 101.

• A metallic radioactive transuranic element in the actinide series, it is the first element by atomic number that currently cannot be produced in macroscopic quantities through neutron bombardment of lighter elements.

Element category: Actinide

Period: period 7

Mass number: 258

104 element is Rutherfordium (Rf):

• Rutherfordium is named in honour of New Zealand Chemist Ernest Rutherford, one of the first to explain the structure of atoms. Allotropes. Rf. Rutherfordium. 104. [267].

Discovery date: 1964

Group number:4

Periods:7

Therefore answer is option (a)!!!