Answers: 1
Chemistry, 22.06.2019 06:00, citlalli30
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
Chemistry, 22.06.2019 12:30, nekathadon
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
Chemistry, 22.06.2019 14:30, Priskittles
What state of matter is ice a. liquid b. element c. solid d. gas
Answers: 1
Chemistry, 22.06.2019 16:00, julesperez22
Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.
Answers: 3
How many atoms of K are present in 195.49 grams of K?
O 3.0110 x 1024
O 6.0220 x 1024
O...
O 6.0220 x 1024
O...
Mathematics, 29.09.2019 15:30
English, 29.09.2019 15:30
Health, 29.09.2019 15:30
History, 29.09.2019 15:30
Mathematics, 29.09.2019 15:30
Mathematics, 29.09.2019 15:30