What is the major cause of the Earth's magnetic field?

magnetic materials on the Earth's surface

charged particles from the sun

the Earth's magnetic lithosphere

the Earth's liquid outer core

Identify 10 different Element's that Exhibit Isotopy.?

Explain why oxygen has a higher ionization energy than phosphorus

Susan dropped a nail into a graduated cylinder filled with water. She then recorded the number of millimeters the water rose in the cylinder. Which property of the nail can be determined by the change in height of the water?

What steps did you take to make sure that your results were reliable.

An unknown element, X, reacts with oxygen to form two oxides with the general formula X_2O_3 and X_2O_5. The pure element is strongly paramagnetic, and the oxides are amphoteric.

What did Ernest Rutherford's gold foil experiment demonstrate about atoms? A. Their positive charge is located in a small region that is called the nucleus. B. Their negative charge is located in small particles that are called electrons. C.

How are the valence electrons organized to form a bond between the atoms

You find a rock that is very sandy and grainy. Sand grains fall off as you handle it. What kind of rock do you suppose it is?

What would cause a moving object with inertia to change direction

Ionic formula for sodium oxide