How can the atomic number and mass number be used to determine the amount of each subatomic particle present in an atom of a given element?

The naturally occurring isotopes of vanadium are vanadium-50 and vanadium-51. Vanadium-50 has an abundance of 0.250% and a mass of 49.947 amu. Vanadium-51 has an abundance of 99.750% and a mass of 50.944 amu.

Determine the molecular weight of H20. o 18 g O 18.0 g O 18.01 g O 18.016 g

Given the following equation: K+Cl2>KCl balance the equation

2. What is the gradual cooling of the body after death? Algor Mortis Rigor Mortis Liver Mortis Temper Mortis

How does the atomic structure affect the behavior and properties of an atom? What are the roles of protons and electrons? What are noble gases and why are they the most stable elements?

Consider the titration of 30.0 mL of 0.050 M NH3 with 0.025 M. HCl. Calculate the PH after the following volumes of titrant have been added 0 ml 20 mL 59.1 mL 60.0 mL 71.4 mL 73.4 mL

A sample of 67 G of kno2 is dissolved to make 1 L of solution what is the molarity of the solution? 1.3 m. 0.6 m. 6,773.8m. 329.4m.

Colloid of a liquid in a liquid

Why hydrogen cannot be produce by the reaction between copper and conc. sulphuric acod?

If the atomic radius of aluminum is 0.143 nm, calculate the volume of its unit cell in cubic meters.