2nd
Explanation:
because i guesses i guess so yeah trust your gut buddy
It's where chemical elements are organized based on atomic weight. Also, like/similar physical and chemical properties in each interval of 7 elements.
It was a silly reason it was rejected. It was rejected because it's octaves were too similar to those in music.
I hope this helps!
The answer is Ammonium sulfate
Answer:
Zn+2HCl→ZnCl2+H2
Explanation:
Hydrogen gas is prepared in the laboratory by reacting dilute HCl with granulated zinc.
The correct answer is B) they operate at a higher efficiency. sorry hope the answers not to late :(