The difference between the Carbon 12 and Carbon 14 isotopes is the

atomic numbers

number of protons

number of neutrons.

number of electrons.

What is the maximum altitude of Denman Orchard?

What information can you use to calculate the empirical formula of a compound

Explain how different states of matter are distinguished from each other and how pure substance distinguish from mixtures

Why is a bird able to sit on a power line? a. Because the line is covered with insulating material. c. The voltage in power lines is very small. b. Because both feet are on the same line there is no difference in voltage from foot to foot. d.

What is true about an iceberg and the water surrounding the iceberg? A. They are in thermal equilibrium. B. The water has a lower temperature than the iceberg. C. The iceberg has a lower temperature than the water. D.

Tsunami waves are almost the same as ripples caused by throwing a rock into a pond. what is the major difference between the two?

A hot air balloon pilot wants the balloon to quickly rise several feet higher so it will be above some trees in the distance. Which best explains how the pilot can make the balloon rise? 1.

The density of pine is generally about 0.5 g/cm3. What is the mass of a 800 cm3 piece of pine Download pdf

The heat energy released or absorbed by a chemical reaction is generally determined by the difference between the energy that

A woman with a mass of * kg is standing on the rim of a large disk that is rotating at an angular velocity of 0.550 rev/s about an axis through its center. the disk has a mass of * kg and a radius of * m.