subject
Chemistry, 24.06.2019 17:00 ralewis2931

Which is a true statement about dmitri mendeleev? a. mendeleev created the periodic table in the 1860s. b. mendeleev grouped the known elements into four categories: metals, nonmetals, gases, and earths. c. mendeleev identified the first 17 elements of the periodic table. d. mendeleev organized the elements of the periodic table in the order of decreasing mass.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 21:00
How many neutrons does an element have if its atomic number is 50 and its mass number is 166
Answers: 1
question
Chemistry, 22.06.2019 21:30
How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2
Answers: 2
question
Chemistry, 22.06.2019 23:10
Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
Answers: 3
question
Chemistry, 23.06.2019 10:10
Which orbitals form a pi bond? a. the s orbital and three p orbitals b. the s orbital and two p orbitals c. overlapping p orbitals d. overlapping hybrid orbitals
Answers: 2
You know the right answer?
Which is a true statement about dmitri mendeleev? a. mendeleev created the periodic table in the 1...
Questions
question
Mathematics, 08.03.2021 22:40
question
Physics, 08.03.2021 22:40
question
English, 08.03.2021 22:40
Questions on the website: 13722363