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including "unknown elements" there are 59 elements in half of the Periodic Table, not including them there is 55.5
Added:
92 natural elements/2
= 46 natural elements make up 1/2 periodic table.
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∙ 11y ago
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How many isotopes does the element astatine from the periodic table have?
33
How many elements are there in periodical table?
There are 117 elements in the periodic table. Elements 1-116 and element 118. IMPROVED ANSWER --------------------------------------------------------------------------------------- 118, but element 117 is so unstable they do not officially count it as being an element on the periodic table yet.
How many elements are in group 16 of the periodic table?
there are five element in group 16 of the periodic table
How many protons dose atoms have?
whatever the number of the element on the periodic table is
How are the periods on the periodic table numbered?
The elements are listed in the order of how many atoms they have. For example, hydrogen is the first element on the periodic table. Hydrogen is the smallest element, and has one atom.
How many periods of element are on a periodic table?
The periodic table has 7 periods on it.
How many element are there in the periodic table?
118
The periodic table of element has how many periods?
7
How many element are in the periodic table?
118 elements
How many Nurtons are there in the periodic table?
Each element on the periodic table has a specific number of neutrons and will vary for its isotope.
How many regions are there in the periodic table with in each element?
The periodic table of Mendeleev has 18 groups and 7 periods.
How many isotopes does the element astatine from the periodic table have?
33
Who uses the periodic table?
Many people do to determine which element is in a substance ex: me, scientists
What is the symbol for air on the periodic table if not then why?
Air is one of the classical elements, but not an element on the periodic table. The air we breathe is a compound composed of many gases that are in the periodic table separately.
How many electron cloud does chlorine have?
This is a chemical element. You can find the how many electron in a single atom by using a periodic table.This is a chemical element. You can find the how many electron in a single atom by using a periodic table.
How can you tell how many protons are in an element of the periodic table?
The number of protons is the atomic number of the element.
How many elements are there in periodical table?
There are 117 elements in the periodic table. Elements 1-116 and element 118. IMPROVED ANSWER --------------------------------------------------------------------------------------- 118, but element 117 is so unstable they do not officially count it as being an element on the periodic table yet.
