salazarangelina141 salazarangelina141
  • 15-02-2021
  • Chemistry
contestada

what element has the symbol of He

Relax

Respuesta :

littlemachinebjj
littlemachinebjj littlemachinebjj
  • 15-02-2021

Answer:

Helium

Explanation:

Physical properties

Atomic mass: 4.0026

Density: 0.18 g/cm3

Group: Noble gas

Electrons: 1s2

Melting point: 0.95 K

Boiling point: 4.22 K

Discovered: 1868

Answer Link
Chaitany
Chaitany Chaitany
  • 15-02-2021

Answer:

helium is the full form he

Answer Link

Otras preguntas

describe a similarity and a difference between the opinion in shaw v. reno and gomillion v. lightfoot
What is Kennedy calling on Americans to do in this speech? avoid direct conflict with others find ways to improve society surrender to the Soviets in the Cold W
The hiking club is taking another trip. The hike leader's watch shows that they gained 296 feet in altitude from their starting position. Their altitude is now
HELP ME PLEASEEEEEEEEEE
Can someone please help me? :(
Find the value of X to the nearest tenth
141.98g of aluminum oxide is equal to how many moles?
What is missing from the following thesis statement: the american renaissance is a very important artistic movement.
Birds snakes, lizards, turtles and crocodiles are all thought to share a common ancestor.
3 90/100+ 58/100 what is the answer?