Question

Complete the following...

Mendeleev_____ atomic masses of some elements, so as to give them proper positions in the periodic table in accordance with their_____
He corrected the atomic mass of______ from 14.09 to_______

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Answer 1

Explanation:

elements in rows by increasing atomic mass. Within a row, elements with lower atomic masses were on the left. ... Thus, all the elements in a column had similar properties. Each row of Mendeleev's periodic table represented a repeating pattern.

Answer 2

Answer:

Your answer is here::

Explanation:

a) arranged

b) atomic number

c) beryllium

d) 9.4

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