Answer:
Acid ammonium carbonate // Ammonium bicarbonate.
Explanation:
Hello, a 4 is missing in the fist H, thus:

The presence of the hydrogen between the ammonium and the carbonates characterizes the salt as an acid salt, so you could name it as acid ammonium carbonate or ammonium bicarbonate (similar to the sodium bicarbonate which is
.
Best regards.
Try d cuz if im not mistaken if you burnt white phosphorus all the gas is going to take most the air
Answer:
Robert
Explanation:
There is not more than one colour
Number of proton K=19
so, 42 - 19 =23
then the answer in 19 protons and 23 neutrons