Answer:
30 protons
Explanation: Each zinc isotope contains 30 protons, 30 massive, positively charged nuclear particles
30 protons, 34 neutrons, and 30 electrons.
Answer: Ag^+ (aq) + NO3^-(aq) + Na^+ (aq) +Cl^- (aq) ⇒ AgCl(s) + NaNO3(aq)
Heat always flows from hot to cold. The aluminum is hotter than the water in the cup so the answer is 2: The heat is transferred from the aluminum to the water, and the temperature of the water increases.
Answer:
Spectral patterns are unique to each element so they are used to identify the metal ions in the salts used in the flame tests.
Constant and heavy raining can cause the drains to overflow and build up in large puddles.
I have no idea if this is what you were looking for or not.