Atoms
What are the 3 tiny particles of an atom?
Protons, neutrons, electrons
What is the center of an atom called?
Nucleus
Anything that takes up space and has mass is called?
Matter
What do you call it when two or more substances are combined, but each substance keeps its own properties? Example-Combining peanuts, walnuts, and chocolate chips to make a trail mix
Mixture
What happens between a positive charge and a positive charge?
They repel each other.
What type of charge do protons have?
Positive
What does the nucleus of an atom contain?
Protons and neutrons
What do you call the absence of matter in a space?
A vacuum
What do you call a mixture of two or more things that are blended completely? Example-Hot chocolate
Solution
What happens between a positive charge and a negative charge?
They attract each other.
What type of charge do neutrons have?
No charge. They are neutral.
Which particles in an atom attract each other?
The amount of space a thing fills or takes up
Volume
When you mix sugar and water in a solution, what is the sugar called?
Solute
What is one thing you can do to help a substance dissolve more quickly?
Shake it, stir it, or heat it
What type of charge do electrons have?
What is the name of a pure substance that contains only one kind of atom?
Element
What are the three states of matter?
Solid, liquid, gas
When you mix sugar and water, what is the water called?
Solvent
What is the name of the scientist who developed the periodic table of elements?
Mendeleev
Which particles orbit the nucleus of an atom?
What is the name of the chart that organizes all the elements?
The Periodic Table of Elements
The amount of matter an object contains
Mass
What do you call it when a solution can hold NO more of a soute?
Saturated
List 5 of the common elements that we discussed in this unit.
Gold, copper, oxygen aluminum, iron