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A is a pure substance that contains two or more electrons?
An element is a pure substance that contains two or more electrons. There are many different elements known to man.
How many electrons are there in the helium atom?
7 Helium contains two electrons in all naturally occurring states.
What element is a noble gas that does not have eight electrons in its outer shell?
Helium is the element in the noble geses family that does not have an octet. Helium is the element in the noble geses family that does not have an octet.
How many electrons are in level one of helium?
There are 2 electrons in level one of a helium atom.
Although this element only has two electrons it's shield is full?
This sounds like Helium. It only has 1 electron shell and since it is the first shell, it only has room for 2 electrons, hence why it is full!
What element contains two electrons in its third energy level?
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A is a pure substance that contains two or more electrons?
An element is a pure substance that contains two or more electrons. There are many different elements known to man.
How many electrons are there in the helium atom?
7 Helium contains two electrons in all naturally occurring states.
What element contains two electrons in its fifth energy level?
Rhenium, with atomic number 75, has two electrons in its fifth energy level.
What element is a noble gas that does not have eight electrons in its outer shell?
Helium is the element in the noble geses family that does not have an octet. Helium is the element in the noble geses family that does not have an octet.
Which element has a full outermost energy level contining only two electrons?
Helium has a full outermost energy level containing only two electrons.
What element is the only noble gas that does not have eight electrons in its outer shell?
Helium is the only noble gas that does not have eight electrons in its outer shell. It has only two electrons in its outer shell.
How many elements are in a fluorine atom?
Fluorine is an element, s an atom of fluorine contains only one element - fluorine. However, the fluorine molecule consists of two atoms of fluorine.
Which element has a mass number of 40 and only has 2 valance electrons?
The element that has a mass number of and two valence electrons is an isotope of calcium.
What element could have two electrons in their outermost level and be full?
Helium has only 2 electrons and its energy level is full.
What is the number of electrons that can be found in the 1st shell of neon?
The first shell of Neon, known as the K shell, can only hold two electrons. The first shell of any chemical element can only hold two electrons.
How many electrons are in level one of helium?
There are 2 electrons in level one of a helium atom.
