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What letter represents an element with one electron in its outer shell?

H


What is an element sybol?

An element symbol is a one or two-letter abbreviation used to represent an element in the periodic table. Each element is assigned a unique symbol based on either the element's name in English or its Latin name. For example, "H" represents hydrogen, "O" represents oxygen, and "Au" represents gold.


What is significance of the symbol of an element?

Sigificance of the Symbol of an Element :- 1. Symbol represents name of the element. 2. Symbol represents one atom of the element. 3. Symbol also represents one mole of atoms of the element. That is, symbol also represents 6.022 x 1023 atoms of the element. 4. Symbol represents a define mass of the element (equal to Atomic Mass expressed in grams).


What is the14 letter word of an element written as one letter or a combination of two letters?

periodic table


What does the word variable mean in math?

A variable is a (letter) symbol that represents one or more numbers


On the periodic table does one box represent one element?

Yes, one box represents one element.


What one great word for letter D in an acrostic poem?

"Dreams" - a word that represents imagination, aspiration, and hope in an acrostic poem.


What do letters in the boxes in the periodic table represent?

They are the symbols for the elements . Often they are some of the letters of the English name.For example, Si means Silicon. Silver cannot be Si as well. Therefore, we use the Latin translation, Argentium, to create Ag.


How do you decide if a formula repesents a compound or an element?

If the chemical formula contains only one element (such as Mg, K or Cl2) it would be an element. If it contains two or more elements (such as NaCl, CO2 or CuSO4.5H2O) then it would be a compound.


What does the atomic number represents the number of?

It represents the number of Protons (p+) that element has in the nucleus of one atom.


What does atomic mass number elements symbol elements name and atomic mass tell you about the element?

The element symbol represents one mole of element , atomic number represents number of protons, atomic mass represents sum of protons and neutrons.


what number represents the subscript in the formula shown?

The letter or letters that represent an element are called its atomic symbol. The numbers appearing as subscripts in the chemical formula indicate the number of atoms of the element immediately before the subscript. If no subscript appears, one atom of that element is present.