Chapter 1

Question 1

What are atoms?

Answer 1

submicroscopic particles that are fundamental building blocks of ordinary matter, rare in nature

Question 2

What are molecules?

Answer 2

geometrical arrangement’s of atoms that are bound together

Question 3

What are the three states of matter?

Answer 3

Solid, liquid and gas

Question 4

What is the solid state of matter

Answer 4

atoms/molecules are packed together in fixed locations, don’t move past or around each other, have fixed volume and rigid shape

Question 5

Two types of solid matter

Answer 5

crystalline and amorphous

Question 6

What is liquid state of matter

Answer 6

atoms or molecules pack together closely as solids but are free to move around each other, have fixed volume but not fixed shape, assume shape of containers

Question 7

What is the gas state of matter

Answer 7

atoms/molecules have a lot space and are free to move relative to one another, making gases compressible, always assume shape and volume

Question 8

What is a pure substance

Answer 8

made up of one component and doesn’t vary from one sample to anther, can be individual atoms or atoms grouped together, can be element or compound

Question 9

Mixture

Answer 9

composed of two or more components in proportions that can vary from one sample to another- sweetened tea, we can make this tea very sweet or not so sweet