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

Select one:

True

False

The boys tried a second experiment. They built a balloon car like the one seen here. As the gas in the balloon is released, the car moves. Ben and Dylan discovered that the bigger they blew up the balloon, the farther the car moved.

The figure below shows several equipotential lines each labeled by its potential in volts. The distance between the lines of the square grid represents 3.00 cm.

If the specific heat of aluminum is 899 J/kg °C and the specific heat of water is 4190 J/kg °C, which of the following statements is true? It takes more energy to heat 1 kg of water 1°C than it does to heat the same amount of aluminum.

Put the phase of mitosis or mitosis in order from first to last

Which of these indicates that a liquid has transferred thermal energy to the air?

Which tools would sara us to find an irregularly shaped objects mass and volume A. a meter stick, a ruler, and water B. a meter stick, a balance, and water C. a balance, water, and a ruler D. a balance, water, and a beaker

Scientists who study races and their origins are called A. anthropologists. B. ethnologists. C. paleontologists. D. sociologists.

Why are telescopes that detect non - optical radiation useful for studying objects in space

Which of the following is not an application of Doppler technology? police speed guns weather radar ultrasound imaging of the liver determining the motion of a star

For a constant voltage, increasing the resistance will cause the current to decrease. true or false