What must differ between the atom of 2 different elements? protons in the atom electrons in the atom neutrons in the atom protons and neutrons in the nucleus

Questions 1.1 A rectangular block of wood has dimensions 240 mm x 20.5 cm x 0.040 m. Calculate its volume in cm

Atoms move slower in solids than they do in liquids

Which statements provides evidence that the earth revolves around the sun A. The Earth's axis is tilted 23.5°. B. Winds at different latitudes are curved different amounts by the Coriolis effect. C.

How is the frequency of an electromagnetic wave related to energy

Five students measured the same kind with the ruler shown below the results reported by the students were as follows 4.51 cm, 4.55cm, 4.5cm and 4.

A scientist has been tracking and studying a population of deer in Yellowstone National Park. He surveys the population every six months. Usually, the population is thriving and has a gene pool with a wide variety of traits.

How long will it take a bike traveling at 5 meters per second to travel 25 meters south? A. 5 s B. 0.2 s C. 5 s south D. 0.2 s south

Two masses are connected by a string which passes over a pulley with negligible mass and friction. One mass hangs vertically and one mass slides on a frictionless 30.0-degree incline. The vertically hanging mass is 6.

The coordinates 40 degrees north and 100 degrees east falls in what country?

Which type of radio waves have the highest frequency and are used in radar detection? microwaves x-rays waves infrared waves gamma waves