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Helium (#2 in the Periodic Table) is more or less inert, but can be made to react with other substances under certain conditions.
In any case, it is the second smallest atom (the extremely reactive hydrogen being the smallest), and can be considered pretty much unreactive due to its complete outer shell of 2 electrons, since it has only one shell.
What else can I help you with?
Why atom react with other atom?
This is because they want a full electrons of outermost shell
Which atom is more chemically reactive an atom with a partly filled energy level or an atom with all energy levels completely filled and why?
If all the electron orbitals are filled then the atom is inert. It will not chemically react with anything. If an atom has empty spaces in the outer orbit, it will react with other elements. Electrons from other elements can share positions in the outer orbits.
How likely an atom is to react?
An atom's likelihood to react depends on factors such as its outer electron configuration, electronegativity, and stability of its electronic structure. Atoms with incomplete electron shells or high electronegativity are more likely to react in order to achieve a more stable configuration. Conversely, noble gases with full outer electron shells are less likely to react.
The ions that are formed when calcium atom and oxygen atom react?
Calcium cation is Ca2+ and oxygen anion is O2-.
Is atom small?
Yes VERY small
How do you determine if an a atom like Na will react?
You consider its position in the periodic table and follow the octet rule. Na is an alkaline metal, and the characteristics of these are that they will almost react with anything, especially water.
What is formed when a sodium atom and a chlorine atom react chemically?
study
When will an atom react with another atom?
Two atoms will react if in so doing both will obtain completely filled outer shells.
What gives an atom the ability to react with another atom to form a compound?
its electrons
Does 'tom' in 'atom' mean 'small'?
tomos in greek means cutting. Atom means indivisible. Anything that is atomic is indivisible, it cannot be cut or reduced any further.
Why atom react with other atom?
This is because they want a full electrons of outermost shell
Why do atom react with other atom?
This is because they want a full electrons of outermost shell
Does anything react with a calcium atom?
Many things including all halogens and all the oxygen group, acids water and others. Calcium is a very reactive metal.
Which atom is more chemically reactive an atom with a partly filled energy level or an atom with all energy levels completely filled and why?
If all the electron orbitals are filled then the atom is inert. It will not chemically react with anything. If an atom has empty spaces in the outer orbit, it will react with other elements. Electrons from other elements can share positions in the outer orbits.
Is an atom large?
An atom is very small the human eye can not see an atom that is what makes it small.
Why does group 8 not react with anything?
because it is a non metal so therefore it wouldn't react with anything
What are the implications of having charged particles in an atom?
So the electrons in the atom can react with each other.
