Biology, 06.07.2020 14:01 Backfire3607
Consider two isotopes of the element potassium. The atomic number of potassium is 19. One isotope has the atomic mass 39 while the other isotope has the atomic mass
40. Which of the following statements about the isotopes is correct?
One isotope contains 39 protons while the other contains 40 protons
One isotope contains 20 protons while the other isotope contains 19 protons.
Both isotopes contain 20 protons.
One isotope contains 20 neutrons while the other isotope contains 21 neutrons
Answers: 1
Biology, 21.06.2019 16:30
__1__ is a climate cycle where the temperature of the __2__ ocean changes because of movements of air and ocean currents. during this period, the trade winds in the south __3__ , causing the __4__ water to move from the __5__ region to the __6__ region. 1) el nino or the monsoon 2) atlantic, indian, or pacific 3) reverse, strengthen, or weaken 4) cold or warm 5) eastern or western 6) eastern or western
Answers: 3
Biology, 22.06.2019 01:00
Works together in the synthesis, modification, packaging, and transport of lipids and proteins
Answers: 1
Biology, 22.06.2019 01:30
Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?
Answers: 1
Biology, 22.06.2019 05:30
What is the average speed of a car that traveled 300.0 miles in 5.5 hours
Answers: 1
Consider two isotopes of the element potassium. The atomic number of potassium is 19. One isotope ha...
English, 24.07.2019 21:00
SAT, 24.07.2019 21:00
Biology, 24.07.2019 21:00
Mathematics, 24.07.2019 21:00
History, 24.07.2019 21:00
Mathematics, 24.07.2019 21:00
History, 24.07.2019 21:00
History, 24.07.2019 21:00
History, 24.07.2019 21:00
Mathematics, 24.07.2019 21:00
Mathematics, 24.07.2019 21:00
History, 24.07.2019 21:00