Periodic Table of Elements
Atoms
States of Matter
Compounds, Elements, and Mixtures
Physical or Chemical Change?
100
This is the symbol for oxygen
What is O
100
This part of the atom contains the most mass.
What is the nucleus?
100
A state of matter that has a definite shape and a definite volume.
What is a solid?
100
This substance cannot be broken down into any simpler substance and is made of only one type of atom.
What is an element?
100
Melting ice.
What is a physical change?
200
This is the symbol for carbon
What is C
200
These are the small particles in the nucleus of the atom, with a neutral (no electrical) charge.
What are neutrons?
200
A state of matter with no definite shape or volume.
What is a gas?
200
This is formed when elements chemically combine.
What is a compound.
200
Combining vinegar and baking soda.
What is a chemical change?
300
This is the symbol for gold
What is Au
300
These are the small, positively charged particles in the nucleus of an atom.
What are protons?
300
A state of matter that has no definite shape but has a definite volume.
What is a liquid?
300
This is formed when two or more substances are put together, but are not chemically combined.
What is a mixture.
300
Roasting a marshmallow.
What is a chemical change?
400
This is the symbol for iron
What is Fe
400
These are the tiny, negatively charged particles that move around the nucleus of an atom in a cloud.
What are electrons?
400
The temperature at which a liquid turns into a gas?
What is the boiling point?.
400
This diagram shows a type of matter:
What is a mixture?
400
Steam condenses on the mirror when you take a hot shower.
What is physical change?
500
This is the symbol for potassium
What is K
500
The Bohr diagram of an atom shows this number of negatively charged particles in the second layer or shell.
What is 8?
500
This is when a solid goes straight to a gas.
What is sublimation?
500
This diagram shows this type of matter:
What is a compound?
500
Slicing bread, and then toasting it.
What is a physical and a chemical change?