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Oxygen I believe

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Which element has the lowest atomic number transuranium?

The element with the lowest atomic number among the transuranium elements is neptunium, with an atomic number of 93. It is the first transuranium element produced synthetically in a laboratory setting.


Which element has the lowest atomic number of group 16 elements?

Oxygen is the element having atomic number 8. It is present in group-16.


Can elements be ordered by there atomic number?

Yes, elements can be ordered by their atomic number. The atomic number of an element corresponds to the number of protons in an atom's nucleus, and elements are arranged in the periodic table from lowest to highest atomic number.


What is the first radioactive element number?

Of elements that have no stable isotopes, technetium has the lowest atomic number, which is 43.


Which metal has the lowest atomic number?

Hydrogen is a non metal element. Atomic number of it is 1. It is the element with lowest atomic number.


What are the most reactive elements?

That would be the element with the highest atomic number but the lowest number of valence electrons.


Which element has the lowest number of electrons?

Hydrogen, the element with the lowest atomic number.


What element has the lowest atomic number in period 3?

The element with the lowest atomic number in period 3 is sodium (Na) with an atomic number of 11.


What is the name of the element with the lowest atomic number?

The element with the lowest atomic number is hydrogen.


Lowest atomic number actinide?

Hydrogen is a none metal element. atomic number of it is 1.


What is the smallest solid element?

The solid element with the lowest atomic number is lithium, with an atomic number of 3.


What is used to find the atomic number of an element?

The atomic number of an element is the number of protons in the nucleus of its atom. It is typically found on the periodic table of elements, where elements are arranged in order of increasing atomic number. Each element has a unique atomic number that distinguishes it from other elements.