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