Amajor difference between the two rows of inner transition elements is that the lanthanides
...
Physics, 23.09.2019 01:00 brandiwingard
Amajor difference between the two rows of inner transition elements is that the lanthanides
a. are radioactive and the actinides are not
b. occur in nature while most of the actinides are synthetic
c. are gases at room temperature and the actinides are solids
d. have no uses while the actinides have many
Answers: 1
Physics, 22.06.2019 01:20
Acar moves a distance of 50.0 km west, followed by a distance of 64.9 km north what was the magnitude of the displacement of the car, in units of kilometers?
Answers: 2
Physics, 22.06.2019 05:20
Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.
Answers: 2
Physics, 22.06.2019 21:00
On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
Answers: 3
Biology, 09.07.2019 18:30
Mathematics, 09.07.2019 18:30
History, 09.07.2019 18:30
Mathematics, 09.07.2019 18:30
History, 09.07.2019 18:30
Mathematics, 09.07.2019 18:30
Mathematics, 09.07.2019 18:30
History, 09.07.2019 18:30
English, 09.07.2019 18:30
English, 09.07.2019 18:30
Mathematics, 09.07.2019 18:30
Mathematics, 09.07.2019 18:30
Mathematics, 09.07.2019 18:30