Answer:1.4
Explanation:
Angle of incidence= 38°
Angle of refraction=26.3°
From Snell's law: n= sin i/sinr
sin i= 0.6157
sin r= 0.4430
n= 0.6157/0.4430=1.4
Note, n is dimensionless
Answer:
The answer is aluminum foil.
Answer: Sodium
Explanation: The sodium has only one electron at the outer layer.
Hope this helps! :)
né si è fatto che non mi hai detto niente
buongiorno
E) 1, 2, and 3
50g H2O + 0.45g NaCl --> 50.45g saline solution