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Out of the first 92 elements, 1 being hydrogen (H) and 92 being uranium (U), there are 90 that are naturally occurring. Technetium (Tc) and promethium (Pm) are man-made elements and do not have any isotopes occurring naturally.
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∙ 11y ago
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How many element is half of the periodic table?
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.
How are the non-natural elements of the periodic table called?
Artificial elements.
How many elements shown in the periodic table do not occur in nature on earth?
118 total - 92 natural elements= 26 elements that do not naturally occur===========================
Why are the substances on the periodic table classified as elements?
Because they are natural elements of earth.
What 109 things of the periodic table will you find?
Yes, all the elements (natural or artificial) are contained in the periodic (Mendeleev) table of the elements.
How many element is half of the periodic table?
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.
How many natural element occur on the periodic table?
Today 94 elements (1 to 94) are considered natural chemical elements.
How many elements are natural in the periodic table?
90: The first 92 elements except technetium and promethium.
How many elements in the periodic table natural?
90: The first 92 elements except technetium and promethium.
How many elements do you currently know of?
Today the periodic table contain 118 chemical elements; 94 are considered natural elements.
How are the non-natural elements of the periodic table called?
Artificial elements.
How many elements shown in the periodic table do not occur in nature on earth?
118 total - 92 natural elements= 26 elements that do not naturally occur===========================
Why are the substances on the periodic table classified as elements?
Because they are natural elements of earth.
How many elements on the periodic table occur naturally is it 18 92 98 or 118?
Today 94 elements are considered natural chemical elements.
How many elements does the table of elements have?
There are 118 elements on the periodic table.
How many chemical element do you have in your periodic table?
Today (June 2013) the periodic table contain 118 chemical elements, natural or artificial.
What 109 things of the periodic table will you find?
Yes, all the elements (natural or artificial) are contained in the periodic (Mendeleev) table of the elements.
