kaileyrouse
kaileyrouse
02-09-2017
Chemistry
contestada
how many protons are in helium
Respuesta :
LeChatNoir
LeChatNoir
02-09-2017
⁴₂He
- 2 protons
- 2 electrons
- 2 neutrons
Answer Link
aralynnjohnson
aralynnjohnson
02-09-2017
there are 2 protons in helium :)
Answer Link
VER TODAS LAS RESPUESTAS ( 63+ )
Otras preguntas
1 "I hear it's someone's birthday today," remarked Ms. Perkins, the secretary, as Benjamin exited his mother's office. This was a disadvantage of having your mo
Can targeting civilians and/or their property be justified in war? Why or why not? Give real world examples from other wars. It needs 1 to 5 paragraphs can som
Mahon Corporation has two production departments, Casting and Customizing. The company uses a job-order costing system and computes a predetermined overhead rat
Who was the first president
Help please!!! The battle where the U.S. lost and General MacArthur said those famous words: “I shall return” was marked by a second battle later in the war. Wh
How did South Carolina grow economically during WWII?
An electron with a speed of 1.5×106m/s collides with an atom of element X. Shortly afterward, the atom emits a 1240 nm photon. What was the electron's speed aft
A rectangle has an area of 24 square units and a side length of 2 3/4 units. Find the other side length of the rectangle
Mr. Tracy has the energy to pick up the plant and carry them to the car because of the chemical energy stored in
number 6 i dont understand and 7 and 8?
