Periodic Table
Elements
Molecules
Compounds
Mystery
100

Elements are represented by a ________________?

Chemical symbol

100

Substance made up of only one kind of atom.

What is an element?

100
Two hydrogen atoms and one oxygen molecule make up one molecule of this.
What is one molecule of water?
100
The chemical formula for table salt.
What is NaCl?
100
Salt water is an example of this.
What is a solution?
200

How many elements are in the compound NaClO?

3

200
H is the chemical symbol for this element.
What is hydrogen?
200
The number of sodium atom in table salt. Hint: the symbol for table salt is NaCl
What is 1 sodium atom?
200
The chemical symbol for water.
What is H2O?
200
The 3 states of matter.
What is solid, liquid, gas?
300

What is the chemical symbol for Helium?

He

300
Chart used by scientist to list all the elements.
What is the periodic table?
300
All matter in the universe can be described as this.
What is atoms or molecules?
300
The 2 in the chemical formula H2O means this.
What is two atoms of hydrogen?
300
The term used to describe the point at which a solid becomes a liquid.
What is the melting point?
400

The period table is divided into three categories, name them

Metals, nonmetals and metalloids

400
The number of hyrogen atoms in a molecule of H2.
What is two?
400
The definition of a molecule.
What is a particle that contains more than one atom joined together?
400
The chemical formula for carbon dioxide.
What is CO2?
400
Sugar dissolved in water is an example of this.
What is a solution?
500

A majority of the elements fall into which category?

Metals

500
The element with atomic number 6.
What is carbon?
500
The number of carbon atoms in carbon dioxide.
What is one?
500
The definition of a compound.
What is two or more different atoms joined together?
500
Sand in a bucket of water is an example of this.
What is a mixture?
M
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