subject
Chemistry, 07.07.2019 00:30 praptibaral70

How did dmitri mendeleev deal with elements that had not yet been discovered? he left blanks for them in his periodic table, as he predicted they would be discovered. he created them in his laboratory and placed them in his table. he ignored them, placing them in the table and shifting others when they were discovered. he gave them names and properties and placed them in the table.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
question
Chemistry, 22.06.2019 03:00
About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question
Answers: 1
question
Chemistry, 22.06.2019 03:30
Calcium chloride +gold(1) oxideβ€”>
Answers: 1
question
Chemistry, 22.06.2019 12:30
Adilute aqueous potassium nitrate solution is
Answers: 1
You know the right answer?
How did dmitri mendeleev deal with elements that had not yet been discovered? he left blanks for t...
Questions
question
Mathematics, 25.01.2022 02:30
question
Mathematics, 25.01.2022 02:30
question
Mathematics, 25.01.2022 02:30
question
Chemistry, 25.01.2022 02:30
question
Mathematics, 25.01.2022 02:30
question
Social Studies, 25.01.2022 02:30
question
English, 25.01.2022 02:30
question
Mathematics, 25.01.2022 02:30
question
Geography, 25.01.2022 02:30
Questions on the website: 13722359