Physical and Chemical Change
My Friend, the Atom
What's the Matter?
The Periodic Table
Elementary My Dear
100
A change that changes the appearance Of an object is called a….
What is a physical change
100
The smallest unit of a pure substance that still has the properties of that substance.
What is the atom
100
Matter exists in these 4 states.
What is solids, liquids, gases, and plasma.
100

The method of organizing elements by their atomic number.

What is the periodic table

100
A pure substance that is made of only one kind of atom.
What is an element.
200
This type of change produces a new substance with new properties.
What is a chemical change
200
The center of an atom.
What is the nucleus
200
Two different ways that matter can change.
What is physical and chemical change.
200

The substance formed from the atoms of two or more elements.

What is a compound

200
An element that conducts heat and electricity well.
What is a metal.
300
Digesting food turns the food we eat into substances needed for life processes is this type of change.
What is a chemical change
300
Every atom’s nucleus contains at least one of these.
What is a proton
300
The ability of a substance to react chemically.
What is reactivity.
300

What are valence electrons?

Electrons that are on the last energy level ring.

300
A property of metal that allows it to be bent and rolled into sheets.
What is malleability.
400

Decomposition of plants. Physical or chemical change?

Chemical change

400
A negatively charged subatomic particle.
What is an electron.
400
Atoms bond together to form these larger units
What is are molecules.
400

Who created the periodic table?

Who is Dmitri Mendeleev

400
All atoms of the same element have this in common.
What is protons.
500
A logger cutting down a tree is this type of change.
What is a physical change
500
The number of protons in an atom.
What is the atomic number.
500
The Law of Conservation of Matter states what?
What is matter can neither be created nor destroyed but only changed.
500

What is another name for groups on the periodic table?

What is families.

500
The element with the symbol W.
What is Tungsten.
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