What is the symbol for an ion with 50 protons 48 electrons 68 neutrons?

Complete this brønsted-lowry reaction placing each product by its appropriate label. hso4- + hcn

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.