Answer:
Is there another picture with the #'s in the boxes
Explanation:
Answer:
I think this may help
Explanation:
Sum of subscripts on left = 92. Sum of subscripts on right = 57. So X must have atomic number = 92 – 57 = 35. Element 35 is bromine.
2.6x10negative4power
2.6x10^-4
Answer:
It's a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF)