Podcast Beta
Questions and Answers
What is the center of an atom usually made of?
Which state of matter has a definite shape and definite volume?
What happens to the mass when you grind a board down to sawdust?
Which statement is true when comparing the thermal energy of water in a teacup and a bathtub?
Signup and view all the answers
Which state of matter has no definite shape and no definite volume?
Signup and view all the answers
How is the element with atomic number 42 different from the element with atomic number 41?
Signup and view all the answers
Which subatomic particle has a positive electrical charge?
Signup and view all the answers
What is the smallest unit of an element that still has the properties of that element?
Signup and view all the answers
What is the term used to describe the amount of mass something has in relation to its volume?
Signup and view all the answers
What is the term for the number of protons in an atom?
Signup and view all the answers
A substance made up of only one kind of atom is called a...
Signup and view all the answers
Which term describes the temperature at which a substance changes from a solid to a liquid?
Signup and view all the answers