Periodic Table of Elements
A substance with only ONE TYPE of atom
What is an element?
This is the central core of an atom.
What is the nucleus?
A state of matter that has a definite shape and a definite volume.
What is a solid?
The study of matter and its properties as well as the energy produced when matter changes
What is chemistry?
Melting Ice
What is a physical change?
A chart that arranges elements according to their increasing atomic number
What is the periodic table?
These are the small particles in the nucleus of the atom, with no electrical charge.
What are neutrons?
A state of matter with no definite shape or volume.
What is a gas?
This is formed when elements chemically combine.
What is a compound?
Combining vinegar and baking soda.
What is a chemical change?
This is the symbol for gold
What is Au?
These are the small, positively charged particles in the nucleus of an atom.
What are protons?
A state of matter that has no definite shape but has a definite volume.
What is a liquid?
This is formed when two or more substances are put together, but are not chemically combined.
What is a mixture?
Baking a cake.
What is a chemical change?
This is the symbol for iron
What is Fe?
These are the tiny, negatively charged particles that move around the nucleus of an atom.
What are electrons?
Anything that has mass and takes up space
What is matter?
This is a pure substance that cannot be broken down into any other substance by chemical or physical means.
What is an element?
Breaking eggs into a bowl.
What is physical change?
This is the symbol for potassium
What is K?
The smallest particle from which ALL matter is made
What is an atom?
An explanation based on evidence and can be tested
What is a theory?
This is the molecule that appears most in our world.
What is water?
Slicing bread, and then toasting it.
What is a physical and a chemical change?