Which of the following is an elemental substance?
A.
NeonB.
AirC.
SaltD.
BrassAnswer & Solution
Answer:
Neon
Solution:
An element is a
substance that cannot be broken down into two or more simple substances by
chemical methods involving the application of heat, light, or electrical
energy. Hence, Neon is a chemical element; it has symbol Ne and atomic number 10. It is the second noble gas in the periodic table. Neon is
a colorless, odorless, inert monatomic gas under standard
conditions, with approximately two-thirds the density of air.
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