A scientist who deals with the properties, composition, and reactions of substances

Imagine a moving boat making waves in the middle of a pool of water. Also, imagine two observers, one behind the boat and one in front of the boat. Describe how each observer will see the waves generated by the boat and explain their observations.

Two speakers are placed side by side and are described as having constructive interference. How do you know when constructive interference of sound waves has occurred?

How can atoms have more than 32 electons?

Tamara and Tyler are both interested in studying birds. Tamara goes to the park and uses her notebook to record the number and colors of birds that she sees there.

Why do atomic models change over time

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda