SCIENCE
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What is the symbol and Atomic number of Argon (select more than one)
|
|
Ag
|
|
|
Ar
|
|
|
An
|
|
|
18
|
|
|
12
|
Explanation:
Detailed explanation-1: -Argon is a chemical element with symbol Ar and atomic number 18. Classified as a noble gas, Argon is a gas at room temperature.
Detailed explanation-2: -Argon is a chemical element with the symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third-most abundant gas in Earth’s atmosphere, at 0.934% (9340 ppmv).
Detailed explanation-3: -The atomic number of calcium and argon are 20 and 18 respectively, but the mass number of both these elements is 40.
There is 1 question to complete.