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Lithium
The element number represents the number of protons in its nucleus.
That means the smaller number a element has, the lighter it will be.
Lithium is the third element.
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∙ 12y ago
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What is the lightest element metal?
Lithium is the lightest element metal with a relative atomic mass of 7 (3 protons, 4 neutrons).
What element has the lowest atomic mass in group 2?
The lightest element in the group 2 of the periodic table of elements is calcium - with a density of 1,55 g/cm3.
What is the lightest element in the universe?
Hydrogen. It is the lightest element in the known universe.
What is the lightest metal element?
Lithium is the lightest metallic element. Its atomic weight is 6.491.
What is the lightest diatomic element?
hydrogen.
Is boron a compount or element?
Boron is an element. The lightest member of group 13 with 3 valence electrons
What is the lightest element in group 18 of the periodic table?
Helium is the lightest member in group 18.
What is the lightest element in period of the periodic table?
Helium is the lightest member in group 18.
What is the lightest artificial element?
The lightest artificial isotope is hydrogen-3, also called "tritium". The lightest element that has no naturally occurring isotopes is technetium.
What is the lightest element metal?
Lithium is the lightest element metal with a relative atomic mass of 7 (3 protons, 4 neutrons).
Is carbon the lightest element?
No hydrogen is the lightest element.
What is the lightest element that can undergo radioactive decay and what type of decay occurs in that element?
The lightest "element" that can undergo radioactive decay is the isotope hydrogen-3, which undergoes beta decay. The lightest element with no radioactively stable isotopes is technetium, and its isotopes have different modes of decay.
What is the lightest known element with only one proton?
Hydrogen is the lightest element.
What is the lightest element oxygen helium neon or hydrogen?
hydrogen is the lightest element
What element has the lowest atomic mass in group 2?
The lightest element in the group 2 of the periodic table of elements is calcium - with a density of 1,55 g/cm3.
What is the lightest element in the universe?
Hydrogen. It is the lightest element in the known universe.
Is oxygen the lightest element on the periodic table?
No, hydrogen is ?the lightest element in the periodic table.
