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Why did Mendeleev not make a complete table of elements?
protons
increases
periodic table
not all elements had been discovered
electron configuration
density formulas
number of neutrons
metals
An elements chemical properties are determined by its:
protons
increases
periodic table
not all elements had been discovered
electron configuration
density formulas
number of neutrons
metals
As the number of known elements grew, so did the need to organize them into groups based on their:
protons
increases
periodic table
not all elements had been discovered
electron configuration
density formulas
number of neutrons
metals
From energy level to energy level the number of elements varies because the number of available orbits:
protons
increases
periodic table
not all elements had been discovered
electron configuration
density formulas
number of neutrons
metals
The first elements to be identified were mainly:
protons
increases
periodic table
not all elements had been discovered
electron configuration
density formulas
number of neutrons
metals
In the modern periodic table, elements are arranged according to increasing number of:
protons
increases
periodic table
not all elements had been discovered
electron configuration
density formulas
number of neutrons
metals
An arrangement of elements into rows of increasing mass where elements with similar properties end up in the same column is called a:
protons
increases
periodic table
not all elements had been discovered
electron configuration
density formulas
number of neutrons
metals
Each column in the periodic table is called a group where each element has similar:
protons
increases
periodic table
not all elements had been discovered
electron configuration
density formulas
number of neutrons
metals
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