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Hydrogen: represented on the table with by the symbol H
It has the lightest atomic weight of all elements at 1.00794
Hydrogen is the most abundant chemical element, constituting roughly 75% of the universe's elemental mass.
Wiki User
∙ 15y ago
Wiki User
∙ 16y agoThe element hydrogen has an atomic number of 1, and is therefore listed first.
See the Related Questions to left for more information.
Wiki User
∙ 9y agoWiki User
∙ 6y agoThe first chemical element is Hydrogen and the last is Ununoctium.
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∙ 14y agoThe first element in the Periodic Table is hydrogen, which consists of one proton and one electron.
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∙ 11y agoH = Hydrogen.
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∙ 15y agoHydrogen
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What was the first periodic table?
Hydrogen is the first chemical element in the Periodic Table of Mendeleev.
Why is hydrogen the first element?
As the periodic table is arranged in order of increasing atomic number hydrogen is the first element in the periodic table as it has only one electron.
Which is the 84th element in the periodic table?
Radium (Ra) # 88th element in the periodic table.
Was the first element on the periodic table of elements carbon?
NO!!! Hydrogen (H) is the first element on the Periodic Table. Reason Atomic No. = 1 Atomic mass( of protium) = 1 Carbon lies 6th position. Atomic No. = 6 Atomic mass = 12
What is H- on periodic table?
H on periodic table is for Hydrogen.It is the first and lightest element on periodic table.It combines with oxygen to form water.
What was the first periodic table?
Hydrogen is the first chemical element in the Periodic Table of Mendeleev.
Which element is the heaviest in periodic table?
who introduced the first Periodic Table
Was carbon the first element on the periodic table?
The first element in the periodic table of Mendeleev is hydrogen, not carbon.
What element is the first on the periodic table?
Hydrogen is the first element on periodic table. Its atomic number is 1.
What is the first element of the Mendeleev's periodic table?
The first element of the Mendeleev's periodic table is hydrogen (H).
Name a chemical element and its symbol from the periodic table?
Hydrogen (H) is the first element in the periodic table.
Is The first element on the periodic table of element helium.?
False.
What is the first element on periodic table?
Hydrogen.
Why is hydrogen the first element?
As the periodic table is arranged in order of increasing atomic number hydrogen is the first element in the periodic table as it has only one electron.
Which element has the atomic nunber 1 and also comes first on the Periodic Table?
Hydrogen is the element having atomic number1 and comes first in the periodic table.
What can be found in a periodic table?
The Periodic Table states all known Elements, and element's atomic number, and if a element is metalic or non-metalic.
Is hydrogen an example of an element?
Yes - it is the first element in the periodic table
