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The elements on a periodic table are arranged by atomic . What would it be?
atomic number
Suppose a new element is added under francium in the periodic table what would its atomic number be?
If a new element is added under francium in the periodic table, its atomic number would be 119. Francium has an atomic number of 87, so the next element in the periodic table would be the one with an atomic number of 88, which is radium. The subsequent element would have an atomic number of 119.
Where would you find the atomic number of an element on a periodic table?
The top left number is the atomic number
What attribute on the periodic table would tell you the number of protons in the nucleus?
Atomic number
How would you categorize most of the elements on the periodic table?
Elements and atomic number
How do you learn atomic masses and atomic number?
Atomic mass is found on the periodic table as the weighted average of all isotopes of an element. Atomic number is also found on the periodic table and represents the number of protons in an atom's nucleus. You can use the periodic table to easily find both atomic mass and atomic number for each element.
Where abouts would a lower atomic number be placed on the periodic table?
Toward the top and left of the table.
How you would calcualte the number of neutrons in potassium?
subtract the atomic number (#of protons, it's on ur periodic table) from the atomic mass (it's usually a decimal, also on ur periodic table.) this will give u the number of neutrons. the atomic mass is PROTONS + NEUTRONS
How would the modern periodic table would be different if elements were arranged by average atomic mass instead of by atomic number?
how would the modern Periodic Table be different if elements were arranged by average Atomic Mass instead of by atomic number
How many elements are included on the modern periodic table?
There are 117 elements on the periodic table, however, there is one blank spot that lies on the periodic table of elements, it has the atomic number of 117. If it were discovered, there would be 118 elements on the periodic table of elements.
What is the atomic number of the element named for the scientist who first organized the periodic table?
That would be Mendelevium, of atomic number 101. Named after Dmitri Mendeleev.
Why was mendeleev's periodic table valid at all?
His table was sorted by atomic mass, not atomic number. (the way today's periodic table is sorted) Mendeleev was almost right, but they did not know about protons at the time. (atomic number is the number of protons in an element) There would have been absolutely no way of him figuring out they were related to atomic number if he didn't even know about atomic number
