What is the composition of the black powder in a firework?

Which option describes a similarity and a difference between isotopes of an element? A) same atomic number; different number of protons B) same number of protons; different atomic number C) same atomic number;

22.4 L of a gas at a temperature of 0°C are at a pressure of 2.0 atm. How many moles of gas are contained in the sample? 0.5 mol 1.0 mol 2.0 mol 3.0 mol

12. A car with a mass of 1,200 kg has a velocity of 30 m/s west. What is the car's momentum?

Why do they use the letter k for equilibrium

Is diamonds cutting glass a physical or chemical change?

How many feet is 5642cm

A (n) bond forms when one atom gives up one or more electrons to another atom.

How many neutrons are in silver

C6h6is an example of an

Given the reaction: Mg (s) + 2 AgNO3 (aq) - - > Mg (NO3) 2 (aq) + 2 Ag (s) Which type of reaction is represented? (1) single replacement (3) synthesis (2) double replacement (4) decomposition