How many protons are in an element

Determine molar mass of Mn (ClO3) 3

How to do single replacement reactions

For an object to remain at rest, which of the following must be true? The forces on it are balanced There is not friction Gravity does not act on it The onject has no mass

A gaseous compound containing carbon and hydrogen was analyzed and found to consist of 83.65% carbon by mass. The molar mass of the compound is 86.2 g/mol. What is the molecular formula of the compound

A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, how many turns are in the secondary? A. 1,653 B. 690 C. 72 D. 8

If an element has 1 valence electrons, how many dots will be in the elements dot diagram?

What is the temperature of a gas at STP?

What is the numerical meaning of centimeter

You run an experiment to test the effects of temperature on solubility. What would you heat? A.) solvent B.) solute C.) the room B.) the beaker

What happens when a firework is ignited?