Answers: 3
Chemistry, 21.06.2019 16:00
What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war
Answers: 1
Chemistry, 22.06.2019 03:30
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
Chemistry, 22.06.2019 16:30
At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?
Answers: 1
Chemistry, 23.06.2019 01:00
If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
Answers: 1
Which is most reactive elements among Na, mg and al?...
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
English, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
History, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
History, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Biology, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
Mathematics, 14.09.2020 02:01
English, 14.09.2020 02:01