How many atoms are there

H, SO

What type of radiation is carbon emitting in the following equation? 14/6C=>0/-1e+14/7N

How many calcium ions are in 0.3 mol of cacl2?

Determine the oxidation state of the metal ion in [co (nh3) 5br]2+. express your answer as an integer.

Which of the following is true of a heterogeneous mixture? a. Different samples may not be exactly alike. b. The density is the same throughout the entire mixture. c. It is not possible to separate the various parts of the mixture. d.

What would a Bohr diagram look like for Oxygen?

A balloon is filled with 12L of air at a pressure of 2 atm. What is the volume of ballon if the pressure is changed to 3 atm?

What ionic bond occurs between what particles? A. Two Negative Ions B. A positive and negative ion C. Two positive ions D. Two neutral atoms

Which of the following are good traits of a hypothesis? it will be able to be tested it can predict an outcome it will explain the observations all of these

What is the mass of a box of nails

In a phase change of water between the liquid and the gas phases, 770.1 kJ of energy was released by the system. What was the product, and how much of it was formed in the phase change? (dа ta: H₂O (l) → H₂O (g) ΔH = 44.01 kJ/mol.) A.