subject
Chemistry, 22.02.2021 21:00 hellothere2458

Please help due in 20 mins!!


Please help due in 20 mins!!

ansver
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 03:30, acaciacoats
The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.
Answers: 2
image
Chemistry, 22.06.2019 14:00, yam44
What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?
Answers: 2
image
Chemistry, 22.06.2019 17:30, ander67061
Air can be considered a mixture. which statement does not explain why?
Answers: 1
image
Chemistry, 22.06.2019 18:50, christhegreat1
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %
Answers: 1
You know the right answer?
Please help due in 20 mins!!
...

Questions in other subjects: