While you can't actually gold plate your nails in the same way jewelry is gold plated there are some options. There are companies that apply gold plate to fake nails which can then be glued onto your real nails using the traditional method, Also there is nail polish with gold in it, although it is very expensive.
No
The fingernail test is for minerals and if a mineral is soft then you stick your fingernail in the mineral and if it is below 10 on the moh's hardness scale then it can put a dent into the mineral hope that helps!!
Because gold is soft, your tooth should leave a visible dent.
John Dent Dent was born in 1826.
If it's yellow and shiny and soft. If it's soft enough that you can put a dent in it with a nail without trying too hard, then it could be gold.
The length of your index fingernail
'Dent' is the correct spelling of the word 'dent'.
Ongle is fingernail in French.
A centimeter is about the width of a fingernail
The length of your index fingernail
I'm not sure if you meant lick or bite but people bite gold because gold are amongst a few metals that are ductile at room temperature and able to dent if bitten. Licking on the other hand might be to taste the gold. Pure metallic gold is tasteless
Gold is soft. You may see in old movies people biting a gold coin--this is because pure gold is soft enough to dent with your teeth, while fake gold is often a harder and more brittle alloy of other metals.
Depending on the placement and pressure, amalgam gold will not normally deform. Older work may be more likely to shift or dent.