What are the atoms of an element that contains 48 protons in the nucleus

What connection does metal have with acids and bases?

A student practicing for a track meet ran 240 meters in 30 seconds. What was her speed?

What is the wavelength of an earthquake wave if it has a speed of 11 km/s and a frequency of 14 Hz?

Three charges are fixed in place as shown. the squares in the grid have sides of length s = 0.24 m. the magnitude of q is 3 μcoulombs (1 μcoulomb = 10-6 coulombs), while the magnitude of q is 4.5 μcoulombs.

What situation would give you a mechanical advantage? * A. sliding a chair across the room B. using a fly swatter C. lifting a large box D. using a fixed-pulley system

Kenny klutz drops his physics book off his aunt's high-rise balcony. it hits the ground below 1.5 s later? a. with what speed does it hit? b. how high is the balcony? ignore air drag.

Which of these holds a galaxy together? A. disk B. gravity C. open clusters D. globular clusters

Which zone receives the most sunlight. A. Profundal B. Aquifer C. Benthic D. Littoral

Chemical principles for why we store food to keep from spoiling

As a ship comes into view over the horizon the top appears before the rest of the ship how does this demonstrate the earth is spherical