Science, asked by sangeetaverma8957, 5 months ago

hellium is an element true or false​

Answers

Answered by Anonymous
1

Answer:

Helium is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements.

Symbol: He

Answered by upyoddha43
0

TRUE .

Helium is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements.

Symbol: He

Atomic mass: 4.002602 u

Atomic number: 2

Electron configuration: 1s2

Boiling point: -268.9 °C

Discoverers: Pierre Janssen, Per Teodor Cleve, Norman Lockyer

Similar questions