The element sodium has an atomic number of 11 and a mass number of 23. how many protons, neutrons, and electrons does one atom contain?

What happens to a sample of water when it is heated between 4°C and 100°C?

What is the kinetic energy of a 10-kg bicycle moving at 10 m/s?

Which of these rocks are formed by volcanic activity? select the two correct answers. a. limestone b. granite c. marble d. basalt e. sandstone

How much force is needed to accelerate a 1,100 kg car at a rate of 1.5 m/s2?

List three sources of information scientists use to learn about ancient climates

Between a substance and a mixture.

Two massive objects are fixed in position. A third object is placeddirectly between the first two at the position at which the totalgravitational force on the third object due to the two massiveobjects is zero.

Which statement best describes the magnetic properties of a material? Magnetic materials have many spinning, unpaired electrons Paired electrons of magnetic materials can move to other atoms Electrons of magnetic materials are strongly held by

when we examine the structures of the other terrestrial planets in our solar system, we see that their structure is similar to Earth's. Why do you think this is the case?

An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D