Sodium and potassium are positively charged ions called cations, and chloride and phosphate form negatively charged ions called anions.

Select one:

True

False

which type of energy is stored in chemical compounds and released in chemical reactions? a. chemical energy b. electrical energy c. kinetic energy d. potential energy

A fisherman is reeling in a fish. In 6.6 s he winds 2.8 m of fishing line onto a reel whose radius is 3.8 cm (assumed to be constant as an approximation). The line is being reeled in at a constant speed. Determine the angular speed of the reel.

After watching a video about submarines, Jamil wants to learn more about the ocean. which question could be answered through scientific investigation?

8. A person with a mass of 15 kg is walking on a flat surface at a velocity of 5 m/s. What is the walker's momentum?

What type of heat transfer is happening when the sun warms your face

Which describes a property shared by ultraviolet light and X-rays? A They are both transverse waves. B They share the same wavelength. C They contain less energy than visible light. D They both require a medium to travel through.

What is the potential energy called that is associated with objects that can be stretched

Which of the following is not a current use of radioisotopes? medical diagnosis sterilization of equipment detection of leaks in building structures light fixtures

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a