Which group 2A element has the largest ionic radius? magnesium calcium barium radium

What holds atoms together in a molecule? A: dentity B: gravity C: physical bonds D: chemical bonds

What is the relationship between frequency and energy?

A roller coaster track is 3000 meters long. It takes 100 seconds to travel once around the roller coaster. What is the average speed of the roller coast? Is the velocity constant throughout the trip? Explain

How do u make a pie chart

Assuming 100% efficient energy conversion, how much water stored behind a 50 centimeter high hydroelectric dam would be required to charge the battery?

Science and technology are closely related, but not the same. Which of the following is most likely a result of technology, not science?

Ashlee pours some quantity of orange juice in a glass. She accidentally breaks the glass and juice spills all over the floor. Which characteristic of the juice will change? A. mass B. State C. Shape D. Volume

A car travels along a straight road at a steady 40 MPH. Are the forces on the car balanced or unbalanced? Explain.

Why doesn't a ball roll forever after being kicked at a soccer game!

When analyzing forces, it is allowable to break the motion and forces into horizontal and vertical components.