The stamp "nb" on a gold chain likely indicates the manufacturer or jeweler who made the chain. It is a common practice for manufacturers to stamp their initials or logo on jewelry for identification and authentication purposes.
Nb or niobium has the electron configuration of [Kr]4d45s1
NB stands for "Not Bonding," indicating that two individuals are not forming a strong emotional connection or bond in a given situation. This could be due to various factors such as lack of shared interests, differing communication styles, or incompatible personalities.
It is neither . it is a straight chain ALKANe named Butane. NB When writing chermical formulae , it should be written as 'CH3CH2CH2CH3'. Note the use of capital letters.
4 Ground state configuration is 5s^1 4^4
Oxidation number of Nb is +4. Oxidation number of O is -2.
The marking "nb-14k" on a ring typically indicates that the piece is made of 14-karat gold, with "nb" possibly representing the manufacturer's initials or a specific design code. The "14k" signifies that the gold content is 58.3% pure gold, with the remaining alloy made up of other metals for durability and color. This marking helps identify the quality and authenticity of the gold used in the jewelry.
Nb is the chemical symbol of niobium.
NB stands for Nominal Bore.
Nickel Back
Niobium
'14k' means that the ring is 14 karat gold. It is alloyed with another metal to harden its wearability. NB 24k is pure gold 22k may be found in gold objects 18k gold jewellery e.g. dress rings. 'r' is probably the makers reference.
I am not quite sure what you mean by "nb", but I don't think it's a unit of length.
I suspect that NB stands for the Latin phrase nota bene,whick means 'note well'.
nb nb kj:)
NOTA bENE
nicky butler very expensive !!
In grammar, "NB" stands for "nota bene," which is a Latin phrase meaning "note well." It is often used to draw attention to important information or to emphasize a particular point in written text.