A sample of nitrogen in a glass bulb has a mass of 245 mg what is its mass in kilograms

Definition of metallurgy

For each molecule of propane that burns, three molecules of carbon dioxide are produced. How many total oxygen atoms are in those molecules?

Erwin Schrödinger developed the quantum model of the atom. What scientific knowledge was necessary for Schrödinger's work?

According the the Kinect theory, what is the Kinect energy of a gas molecule proportional to? A. Volume of gas B. Pressure of gas C. Temperature of the gas D. Density of the gas

In the periodic table we use today, the elements are arranged by increasing mass. True or false

Use the terms magnetic field and magnetic pole in a sentence

Which of the following statements about chemical formulas is FALSE? A) The subscripts represent the relative number each type of atom in the compound. B) The subscripts represent the relative mass of each type of atom in the compound.

The lowest possible concentration of free hydrogen ions is represented by a ph value of

Diseases that are inherited are caused by

Why do many metal ions produce acidic solutions when dissolved in water?