Answer:
I(Br)
Explanation:
You will be combining one iodine atom with one bromine atom.
Answer: Ethyl Ethanoate can be used as a developing solvent. It’s safer.
Explanation:Di ethyl ether should be carefully used because it’s highly flammable and intoxicating when inhaled and can cause explosions because of its high reactivity to air and light.
So 6.02*10^22 is avogadro constant, which is the amount of atoms in one mole. If you look Xenon up in the periodic table you will find it's mass given <span>131,293, which is grams per 1 mole.
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Find it on google i’m pretty sure i saw it somewhere so sorry this doesn’t help
Salt: NaCl
Hydrogen gas: H2