Answers26-27 WHS-Chemistry-1stSixWeeksAtomic Numbers and Electron Configurations

The History and Arrangement of the Periodic Table Answers

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1
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Who wrote the first modern chemical textbook?

A
Antoine Lavoisier
B
Dmitri Mendeleev
C
Henry Moseley
D
Johann Dobereiner
2
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Which scientist established the law of octaves?

A
Antoine Lavoisier
B
Dmitri Mendeleev
C
Henry Moseley
D
John Newlands
3

Members of which group easily lose an electron to form a +1 cation?

A
halogens
B
alkaline earth metals
C
noble gases
D
alkali metals
4

Which element is a halogen?

A
argon
B
bromine
C
calcium
D
lithium
5

Which is another name for groups of elements?

A
actinides
B
families
C
halogens
D
periods
6

How was the work of Newlands similar to that of Mendeleev on the periodic table?

A
They both arranged the elements in order of increasing atomic mass.
B
They both arranged elements that had similar properties into groups.
C
They both predicted the positions of undiscovered elements on the table.
D
They both placed the relative atomic mass of each element on the table.
10

How did Moseley establish a more accurate periodic table?

A
by arranging the elements according to atomic mass instead of atomic number
B
by arranging the elements according to atomic number instead of atomic mass
C
by arranging the elements into horizontal periods
D
by arranging the elements into vertical groups

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