Atomic Numbers and Electron Configurations

Question 1

Which of the following did Antoine Lavoisier correctly characterize as an element?

Revolt · Accepted Answer

mercury

Question 2

Which of the following did Antoine Lavoisier incorrectly characterize as matter?

Revolt · Accepted Answer

light

Question 3

Arranged elements by atomic number:

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Moseley

Question 4

Organized elements according to increasing atomic mass:

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Mendeleev

Question 5

tin:

Revolt · Accepted Answer

Sn

Question 6

yttrium:

Revolt · Accepted Answer

Y

Question 7

: Yb

Revolt · Accepted Answer

ytterbium: Yb

Question 8

Use the periodic table to identify the name or atomic number for each element below. (Give the name, not the chemical symbol, for each element.)hafnium: atomic number

Revolt · Accepted Answer

72

Question 9

: atomic number 15

Revolt · Accepted Answer

phosphorus: atomic number 15

Question 10

: atomic number 45

Revolt · Accepted Answer

rhodium: atomic number 45

Atomic Numbers and Electron Configurations Answers

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