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The element is 'argon' and belongs to noble gas family.
element 17 (Cl) chlorine belongs to the hologen group. It is a gas.
Germanium, belongs to period 4, group IVA (or group 14)
By 'family' , I query your meaning. However, osmium is a d-clock element ( transition element) . It is Group 8 , Period 6.
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All elements of group has same number of valence electrons.This property define their characteristics.
The most important criteria is the similarities between chemical properties.
There is no such element.
this element belongs in the group of metals
Nitrogen belongs to Group 5 or Pnictogens
The element is 'argon' and belongs to noble gas family.
element 17 (Cl) chlorine belongs to the hologen group. It is a gas.
this element belongs in the gruop of metals
the element belongs to 4th period, 9th group, it is a d block element. the element is cobalt
No, gold is an element. It belongs to the d group. It is a metal element.