SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which among the following is an element?
A
brass
B
bronze
C
silver
D
stainless steel
Explanation: 

Detailed explanation-1: -Silver is a chemical element with the symbol Ag (from Latin argentum ‘silver’, derived from the Proto-Indo-European h₂erǵ ‘shiny, white’) and atomic number 47.

Detailed explanation-2: -Silver is the second element in the eleventh column of the periodic table. It is classified as a transitional metal. Silver atoms have 47 electrons and 47 protons with 60 neutrons in the most abundant isotope. Under standard conditions silver is a soft metal that has a shiny metallic finish.

Detailed explanation-3: -Silver is a relatively soft, shiny metal. It tarnishes slowly in air as sulfur compounds react with the surface forming black silver sulfide. Sterling silver contains 92.5% silver.

There is 1 question to complete.