Question

Which radioactive isotope is added to glucose for positron emission tomography (PET)?
Answer

carbon-14

fluorine-18

cobalt-60

technitium-99

Answer 1

Fluorine-18

https://en.wikipedia.org/wiki/Fludeoxyglucose

Answer 2

This question could have been easily answered by going on wikipedia and typing in PET scan

Answer 3

i tried that but it wouldnt pull up anything relevant to the original question

Answer 4

A certain chemical reaction experiences a 7.50 × 10-7 kilogram loss in mass. If this mass were to be totally converted to energy, what would be the magnitude of that energy? (1 J = 1 kg times m squared over s squared )
Answer

1.20 × 1023 J

2.5 × 109 J

4.00 × 101 J

6.75 × 1010 J

Answer 5

@Abhisar

Answer 6

https://en.wikipedia.org/wiki/Positron_emission_tomography it is the second paragraph first sentence

Answer 7

not to be a jerk

Answer 8

must have done the wrong search, for real never saw that. not to mention with the amout of work things are easily overlooked...

Answer 9

Sorry brain fart,

input,
7.50 × 10-7 kilogram
into e = mc^2

Answer 10

these are more physics questions, the first question is either physics or psychology/biology

Answer 11

they are all nuclear chemistry questions. i can assure you

Answer 12

fair enough