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Calcium (atomic symbol: Ca, atomic number: 20) is a Block S, Group 2, Period 4 element with an atomic weight of 40.078. The number of electrons in each of Calcium's shells is 2, 8, 8, 2 and its electron configuration is Ar 4s 2. Question: Molybdenum Has An Atomic Number Of Z=42. Using The Bohr Model, Estimate The Wavelength Of A The Ka X-ray. This problem has been solved! Molybdenum has an atomic number of Z=42. Using the Bohr model, estimate the wavelength of a the Ka X-ray.

Prime Factors of 42=2x3x7.
42 is a Catalan Number.
42 is an Abundant Number.
42 is a 15-gonal Number.
10 can be Partitioned in 42 ways.
42 can be Partitioned in 44583 ways.
42 can be Partitioned22 times with each term no larger than 2.
42 can be Partitioned169 times with each term no larger than 3.
42 can be Partitioned720 times with each term no larger than 4.
The Chemical Element Molybdenum has an atomic number of 42.
In the Talmud it is written that the divine name of 42 letters is the greatest of the mysteries. These 42 letters contain the names of the 10 Sephiroth.
The Kabbalah speaks about the 42 Authioth.
42='The number of judges required to sit by the body of the Egyptian dead pending the examination and without which the deceased had no portion in Amenti'
Douglas Adams used 42 as 'The answer to the ultimate question of life, the universe and everything' in his Hitchhiker's Guide to the Galaxy series.
Film: 42nd Street.

The Year 42 AD

In the year 42 AD the Chinese defeated the Trung sisters and retook control of North Vietnam.

Also found in: Thesaurus.

Noun

1.

atomic number 42 - a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel molybdenum, Mo metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. molybdenite - a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds

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Atomic Number 42 Uses

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