Which element, isotope, or ion listed below contains 35 protons, ...

[Pea0909berry]

Which element, isotope, or ion listed below contains 35 protons, 46 neutrons, and 36 electrons?
 
  A) 81Kr+
  B) 81Br
  C) 81Kr
  D) 81Br -

Question 2

Why did the amount of fresh water we collectively consume start decreasing after 1980?
 
  A) Mandatory water rationing was imposed by the federal government to the individual states.
  B) Water used to produce electricity was dramatically reduced because of the development of new technology.
  C) New and improved irrigation techniques were put into effect in 1980.
  D) Water companies began installing water governors on all residential housing in 1980.

[Dominic]

Answer to Question 1

D

Answer to Question 2

C

[Pea0909berry]

Thanks for the timely response, appreciate it

[billybob123]

Gracias!