What causes each new row of the periodic table

72.983 rounded to 2 significant figures

Choose the words that make each statement true. A6.0 M solution contains 6.0 of solute dissolved in one of solution. The Min 6.0 M refers to . The concentration of a 6.0 M solution may also be expressed as

Which branch of science provide the proof that earth is approximately 4.6 billion years old

Car Q and z are put though an endurance test to see if they can travel at 120 km/h for 5.0 hours. Each car has a 45-L fuel tank. Car z must stop to refuel after traveling for 4.2 hours. Car Q, however, travels for 5.4 hours before running out of gas.

What's the name of a molucule composed of two identical atoms

What is the empirical formula of a compound containing 24.56% potassium, 34.81% manganese, and 40.50% oxygen?

A body was found with no evidence of rigor.

What process makes volcanic mountains?

Why is there no change in the temperature when the process of melting takes place?

Summarize the acid-base behavior of the main-group metal and nonmetal oxides in water. How does oxide acidity in water change down a group and across a period?