Answer: 2.60 x 10^23 molecules
50.0 grams x (1 mol/115.79 grams) = 0.431816219 moles
0.431816219 mol x (6.02 x 10^23 molecules/1 mol) = 2.599533638 x 10^23 molecules (final answer is rounded)
Electronegativity
Atomic radius
Ionization energy
The simple machine used is called atwood machine.
Answer:
Humans started to use pesticides dating back to before 2000 BC.
Hope this helps ^-^
Explanation: