Answer:
They are:
H2, N2, O2, F2, Cl2, Br2, and I2.
Note: whether the element At molecule is monoatomic or diatomic is incredibly arguable. While some say it exists as diatomic because it is a halogen like bromine, iodine etc, At is in fact extremely unstable and no one has ever really studied the molecules on it, so, when others say it is monoatomic, this is also based on calculations. But the other 7 elements listen above is for sure diatomic.
What are the phrases I don’t see any pictures??
Answer:0,25 g/cm3 creo
Explanation:densidad es masa entre volumen
Answer:
B
CuO
H2
Explanation:
hydrogen will oxidized to form water
