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How many letter symbols can an element have?
Most elements have either 1 or 2 letters but some elements such as Ununpentium, have 3 (Uup)
How many elements contain the same number of outer electrons as sodium?
Elements in the same group as sodium (Group 1) all contain the same number of outer electrons, which is one. Therefore, there are six elements in the same group as sodium: lithium, potassium, rubidium, cesium, francium, and hydrogen.
Of the first 103 elements how many have two letters in their symbols?
Not all elements can be identified by a single letter. For example, Carbon (C) and Chlorine (Cl) both start with a "C" and have "C"'s in their symbols. Another letter had to be added to distinguish the two. Also, the Periodic Table has over 100 elements and there would not be enough letters to cover them all if they were only single letters.
Which other elements contain the same number of outer electrons as sodium and what is the chemical symbols?
Lithium, Rubidium, Cesium, Francium. Li , Rb , Cs, and Fr
Why some symbols- for example cal and si- have two letters?
These symbols for chemical elements are derived from their names in Latin. "Cal" represents calcium and "Si" represents silicon. The symbols are typically chosen based on the first one or two letters of the element's name in Latin.
What is the same about all of one elements?
They have the same number of protons
Why do some symbols have one letter some have two letters and some have three letters?
Elements are give symbols consisting of letters, and these are related to the names of the elements (in some language at some date). There are 26 letters in many alphabets, but more than four times that number of elements. So it is necessary to use some mechanism to distinguish among elements with names that start with the same letter. Adding numbers is done to designate the number of atoms in a compound, the isotope, and so on. The best solutions is to use pairs of letters for most elements.
What is shales chemical symbol?
It doesn't have one. Shale is a mixture and doesn't always have the same composition. Only elements have chemical symbols
Can more than one element share the same chemical symbol?
No, each element has its own unique chemical symbol. Chemical symbols are used to represent individual elements, and no two elements have the same symbol.
Do scientists use symbols to represent elements?
Because it is more simple to write one or two letters than a word and also these symbols are valid in all languages.
Who discovered the symbols of the elements?
No one discovered the symbols of animals.The symbols of the elements came from their Latin word like the element gold .It`s Latin name is Aurum.So it`s symbol is Au.
Why are elements put in rows?
all elements in one period have the same number of energy levels
What element are one or two letter abbeviations for the names of the elements?
All elements that don't currently have IUPAC systematic placeholder names have one or two letter chemical symbols. So, currently, elements 1 (Hydrogen) to 112 (Copernicium) have one or two letter symbols.
What is one one or two letters that identify an element?
The letters that identify elements , are called Symbols.
The elements in each____ have the same number of?
all the nuclei of all atoms belonging to one element will have the same atomic number, they may not necessarily have the same mass number
What elements have their first two letters as a symbol?
The symbols for elements have either one or two letters. If there are two letters, the first one is capitalized and the second one is not.
What elements are represented by chemical symbols?
depends on the atom... Oxygen, hydrogen, nitrogen are all elements. All are gasses in our atmosphere. All are made up of individual atoms. But each element has its own type of atom, with its own unique size, weight (mass) energy states, electrofelicity/phobicity, etc...
