Important dates
Inventions
main Points
100

In what year did Moseley arrange the elements in what we know today as the periodic table?

1912

100

What atomic numbers did Moseley discover that there were gaps inbetween?

What is 43,61,72 & 75

100

What were the three elements Moseley predicted in 1910?

technetium, promethium, hafnium and rhenium

200

When did Wilham Roentgen produce radiation wavelengths known as the x-ray? (month, day, and date)

 November 8, 1895

200

What was Moseley's main goal from the start?

What is To shed light on Albert Einsteins theory of relativity.

200

What did the X-ray experiment help Moseley understand?

The atomic structure.

300

When was the atomic batter discovered?

1913

300

When did Moseley create the first atomic battery?

What is 1912

300

Whose model of the periodic table did Moseley make an improved version of?

Dmitri Mendeleev

400

When did Moseley discover the gaps between the atomic numbers?

1913

400

Who helped Moseley along the way in the x-ray invention, that happens to be German?

Who is Wilhelm Roentgen

400

Which elements was Moseley unsure of? 

Nickel and Cobalt

500

In what year did Moseley predict the four unknown elements (technetium, promethium, hafnium and rhenium)?

1910

500

What was the nickname given to the atomic battery by Moseley?

What is The radium battery

500

Between which elements did other scientist believe their were some elements missing? 

hydrogen and helium

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