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Was helium included in Mendeleev's original periodic table?

Anonymous

∙ 9y ago

Updated: 10/24/2023

No, he did not know about it.

Helium was discovered in spectrographs of the Sun in 1868 and isolated in 1895. Mendeleev's original table skipped from hydrogen (1) to lithium (3).

Wiki User

∙ 9y ago

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What is the abbreviation for helium on the periodic table?

The abbreviation for helium on the periodic table is He.

What period is helium in in the periodic table?

Helium is in the first period of the periodic table.

What is He in the periodic table?

He in the periodic table refers to Helium. Helium is a noble gas with the atomic number 2 and is the second lightest element in the periodic table. It is commonly used in balloons and for cooling in cryogenics.

Is helium in a group listed on the periodic table?

Helium is not a group. It is an element.

What is the element He on the periodic table?

Helium

Related Questions

What is the abbreviation for helium on the periodic table?

The abbreviation for helium on the periodic table is He.

What is the number of helium in the periodic table?

the number of helium in the periodic table is 2.

What is the atomic sign for helium on the periodic table?

The atomic symbol for helium on the periodic table is He.

Does h stand for helium on the periodic table?

No, the symbol "H" stands for Hydrogen on the periodic table. The symbol "He" stands for Helium on the periodic table.

What is the periodic name for helium?

Helium with the symbol He.

What period is helium in in the periodic table?

Helium is in the first period of the periodic table.

What is He of the periodic table?

Helium.

What is He in the periodic table?

He in the periodic table refers to Helium. Helium is a noble gas with the atomic number 2 and is the second lightest element in the periodic table. It is commonly used in balloons and for cooling in cryogenics.

What Does He stand for on the periodic Table of Elements?

There is no element with such symbol. However the symbol U stands for uranium

What group of the periodic table is helium?

Helium is one of the noble gasses.

Is helium in a group listed on the periodic table?

Helium is not a group. It is an element.

What does He in the periodic table mean?

Helium

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