To be in a neutral state (which it normally is since it is a noble gas) it must have two electrons spinning around its nucleus.
An atom of helium has 2 electric charges, which are positive protons in the nucleus and negative electrons surrounding the nucleus.
No atom has its electrons in its nucleus, and boron has five electrons around its nucleus.
Tellurium has 16 electrons in its outer shell around the nucleus.
Helium is an element, so it is made of only one type of atom.
A neutral atom of helium must possess two electrons. Each electron carries a negative charge of -1, and since helium has a charge of 0 (neutral), the number of electrons must equal the number of protons, which is 2 in the case of helium.
Helium has 2 electrons.
Helium's atomic number is 2. Therefore, it has 2 positively charged protons in its nucleus. To balance the total charge then, one atom of helium will also have 2 electrons.
There are 19 electrons in the potassium nucleus.
Helium atom has 2 electrons.
Helium-4 has 2 electrons.
Helium has 2 positive protons in its nucleus.
Helium has 2 valence electrons.