subject
Chemistry, 15.08.2020 23:01 marz2479

A galaxy is a system of celestial bodies, such as stars, planets, several solar systems, and interstellar gas and dust. Our solar system is a part of a galaxy called

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 15:00
1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )
Answers: 1
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 17:10
In which block of the periodic table is uranium (u) found? s blockd blockp blockf block
Answers: 1
question
Chemistry, 22.06.2019 19:00
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
Answers: 1
You know the right answer?
A galaxy is a system of celestial bodies, such as stars, planets, several solar systems, and interst...
Questions
question
Mathematics, 10.11.2020 18:00
question
Chemistry, 10.11.2020 18:00
question
Business, 10.11.2020 18:00
question
Mathematics, 10.11.2020 18:00
question
Chemistry, 10.11.2020 18:00
Questions on the website: 13722363