When metals combine with nonmetals, the metallic atoms tend to 1. lose electrons and become positive ions 2. lose electrons and become negative ions 3. gain electrons and become positive ions 4. gain electrons and become negative ions?

A package contains 1.33 lb of ground round. If there's 29% fat, how many grams of fat are in the round? I got 175 g but the textbook says the answer is 91 g of fat. How?

A student puts a glass of water in the freezer. Later, he notices ice forming on the surface of the water. Which property of water best explains why ice forms on its surface? A student puts a glass of water in the freezer.

Which elements are both classified as metalloids

If two electrons in the same atom have the same value of "l", they are If two electrons in the same atom have the same value of "l", they are in the same orbital. in the same level, but different sublevel.

In the important industrial process for producing ammonia (the Haber Process), the overall reaction is: N2 (g) + 3H2 (g) → 2NH3 (g) + 100.4 kJ A yield of NH3 of approximately 98% can be obtained at 200°C and 1,000 atmospheres of pressure.

Originally, the periodic table was arranged by increasing atomic radius increasing atomic mass increasing atomic number increasing number of electrons

How many moles are in 15.5-g SiO2

Is Oxygen - O2 a pure substance or a mixture?

What atom has 14 protons and 14 electrons

What is a diagram showing the forces acting on a coasting bike rider traveling at 25 km/h on a flat roadway