Question

Due on Friday, Oct 4 at 11:59 pm (PDT) 1 homework point(s) Non-Metallic Elements Indicate the nonmetal in each of the following sets of elements. a) Nd b) Na a) Lib) P. ( a) Ar b) Au C: а) На Б) Но C) Ne c) Cu c) AL с) Не

Answer 1

1

Ne (Neon) is a non metal ( it is a noble gas)

Nd and Na are metals.

Neodymium belongs to lanthanide series ( 4f series also called as rare earth series.) and sodium belongs to 1 group , is a alkali metal

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2

P (phosphorus) is a non metal belongs to 15 group in the periodic table.

Lithium and copper are metals.

lithium is 1 group element and copper is d block element belongs to 3d series.

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3

Ar ( argon) is a non metal and is a noble gas [All noble gases belongs to 18 group in the periodic table]

Au ( gold) and Al ( aluminum ) are metals.

Aluminum belongs to 13 group and gold is a d-block element ( 5d series element)

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4

He ( helium) is a non metal and is a noble gas

Ha -- hahnium is a metallic element and presently it is called as dubnium ( element 105)

Ho ( holmium is metallic element belongs to 4f series ( rare earth series)