What is the difference between mass number and atomic mass (sometimes also called atomic weight)? Boron has an atomic mass of 10.811. What does this mean?

What state of matter is ice a. liquid b. element c. solid d. gas

Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?