0
Helium has 2 protons, 2 neutrons, and 2 electrons.
What else can I help you with?
How many electrons does beryllium have in all?
A neutral atom of beryllium has 4 electrons. In a neutral atom, the numbers of electrons and protons are equal. An element's atomic number is the number of protons.
What element is found on period 4 and has 7 valence electrons?
Only nitrogen (but in the period 2) has 7 electrons in the neutral atom.
What is the number of electrons present in a neutral atom of each element 1 copper 2 chlorine?
Copper has 29 electrons.Chlorine has 17 electrons.
How many electrons must a neutral atom of helium posses?
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.
How many electrons are in a beryllium ion?
A beryllium ion, like Be2+, has lost two electrons compared to a neutral beryllium atom. A neutral beryllium atom has 4 electrons, with 2 in the inner shell and 2 in the outer shell. When it loses 2 electrons to become Be2+, it now has 2 electrons remaining, both in the inner shell.
How many electrons does a neutral atom of helium (He) have?
A neutral atom of helium has 2 electrons.
What is the number of electrons in a neutral atom of an element always equal 2?
2. Cause the only element that can "always equal 2" is Helium. And helium has 2 electrons. Number of protons=number of electrons.
How many electrons does beryllium have in all?
A neutral atom of beryllium has 4 electrons. In a neutral atom, the numbers of electrons and protons are equal. An element's atomic number is the number of protons.
How many electrons are in an oxygen atom when it hase 2 eltron shell and 6 covalent atom?
In an oxygen atom with 2 electron shells and 6 covalent bonds, there are 8 electrons in total. The first electron shell can hold up to 2 electrons, and the second shell can hold up to 6 electrons, giving a total of 8 electrons in the atom.
What element is found on period 4 and has 7 valence electrons?
Only nitrogen (but in the period 2) has 7 electrons in the neutral atom.
What is the number of electrons present in a neutral atom of each element 1 copper 2 chlorine?
Copper has 29 electrons.Chlorine has 17 electrons.
How many electrons are in a neutral bromine atom?
There are 35 electrons in a neutral boron atom arranged in the order 2, 8, 18, 7.
How many electrons must a neutral atom of helium posses?
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.
How many electrons does a neutral hydrogen atom have?
Hydrogen is a non metal element. There are 1 electrons in a single atom.
Identify the element whose electrically neutral atom has 2 energy levels with 2 electrons in the outer energy level?
beryllium
How many protons are on the first shell of an atom?
The first shell of an atom can hold a maximum of 2 electrons. Since the number of protons in an atom is equal to the number of electrons in a neutral atom, there can be a maximum of 2 protons in the first shell.
How may electrons does helium have?
A neutral atom of helium has 2 electrons.
