1.

Earth's diameter is 12.756 kilometers. How many meters is this?

2.

The diameter of Earth's moon is 3.476 kilometers. Express this distance in centimeters.

How do particles move when they are changing phases?

In an isotope, which subatomic particle varies in number?

What is the volume of. 04 mol of a gas at. 9 kPa and 20 degrees celsius

What is the arrangement of positive metal ions compared to valence electrons in a metallic bond? A. The valence electrons are free to move between different ions, while the positive metal ions are fixed in place. B.

2Mg + O2à MgO For this unbalanced chemical equation, what is the coefficient for oxygen when the equation is balanced? A. 1 B. 2 C. 3 D. 4

How many valence electrons are in atom of sulfur?

My sister needs this answered! Donald is creating an experiment to determine if fertilizer affects plant color. He makes this statement: "If each plant receives a different amount of fertilizer, then the plant's color intensity will change.

What would happen to life if earth were in a different location within the solar system

Substance that undergoes a change in a chemical reaction is a. a product c. a reactant. b. a chemical. d. an enzyme.

List the number of protons, neutrons, and electrons in Iodine-127. (atomic number is 53)