he put them in alphabetical order
Mendeleev used the analogy of playing the card game of solitaire to help him organize the known elements into a periodic table. The suits of the cards were analogous to the groups of the elements and the numeric values of the cards were analogous to the values of atomic weights.
Mendeleev's cards contained information about the atomic mass, chemical properties, and behavior of each element. He also organized the cards in a way that allowed him to determine patterns and relationships between different elements. This led to the development of the periodic table of elements.
Dmitri Mendeleev, a Russian scientist. He arranged cards in atomic weight order and noticed patterns (periods). This resulted in him being able to guess which elements were missing and complete the periodic table.
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he put them in alphabetical order
Oh, dude, Mendeleev arranged his cards by organizing them based on atomic mass and properties, creating the periodic table. Like, he was just like, "Hmm, let's put these elements in order and see what happens." And voilà, the periodic table was born.
Dmitri Mendeleev decided to arrange his cards by organizing elements with similar properties into groups and leaving gaps for undiscovered elements. He then ordered the groups by increasing atomic weight, which led him to identify patterns and create the periodic table of elements.
He Decide to go from smallest atomic number to largest atomic number.
Mendeleev used the analogy of playing the card game of solitaire to help him organize the known elements into a periodic table. The suits of the cards were analogous to the groups of the elements and the numeric values of the cards were analogous to the values of atomic weights.
The way the cards were laid out :)
Dmitri Mendeleev is credited with developing the periodic table in a form close to its modern version. He arranged the elements based on their properties and left gaps for undiscovered elements, predicting their properties accurately. This work was inspired by his experience organizing playing cards into sets.
Your question doesn't really make much sense.. but if you mean't "Kathy wanted to arrange some cards in pairs but was one card short. She tried to arrange by fives and was still one card short. She finally arranged the cards by sevens. What is the least number of cards you can have?" This is the answer. List the multiples of 7. 7, 14, 21, 28, 35, 42, 49... The answer has to be odd because she tried to arrange in PAIRS but was ONE short. (It is always 1 higher then a multiple of two so that makes it odd). Knock off all even numbers. Remaining list of multiples of 7. 7, 21, 35, 49... The answer has to end with 4 or 9 because she tried to arrange the cards in fives but was one short. eg. 4, 9, 14, 19, 24, 29, 34, 39...(it is always 1 lower then a multiple of five). Knock of numbers that don't end with 4 or 9. Remaining list of multiples of 7. 49. The answer is 49. It is the least number of cards she could possibly have. I hope I didn't answer too late. :D Good Luck. - gigaturtle
;0 The way the cards were laid out
it is impossible
In 6 way
Mendeleev wrote key properties of different elements on note cards, including atomic mass, reactivity, and physical characteristics. He arranged these cards based on similarities, eventually leading to the creation of the periodic table.