Elements and Compounds!

Matter & Atoms

100

Everything that has mass and takes up space

Matter

200

What are the 3 main phases of matter?

Solid, liquid, gas

300

The smallest part of an element that still has the properties of the element

Atom

400

What is a substance made up of only one type of atom?

Element

500

Most elements are what phase of matter?

Solid

Elements & Compounds

100

How many elements are in baking soda?

NaHCO₃

4

200

How do you properly write a chemical symbol?

The first letter is capitalized. If there is a second letter, lower case. 

300

What happens when two elements combine to form a compound?

A new substance is formed

400

What is the following compound? 

H₂ O₂

Hydrogen Peroxide

500

How many atoms are in the following made up compound:

CH₂Mg₅OKCl₄

14

Elements

100

U is the Chemical Symbol for what element?

uranium

200

Where are all elements organized? 

The Periodic Table of Elements 

300

What are the columns called on the Periodic Table of Elements? 

Groups

400

The number of protons in the nucleus of the atom is called the...

Atomic Number 

500

Any element after what atomic number are too unstable to occur in nature and has to be made in a lab?

92 Uranium 

Compounds

100

What is a substance made up of 2 or more elements?

Compound

200

If there is no number after an element in the compound, how many atoms are there?

1

300

What is NaCl?

Sodium Chloride / Table Salt

400

Give an example of a chemical formula:

Answers may vary. 

500

Write the compound that has 2 atoms of Hydrogen, 1 Oxygen, and 4 Magnesium

H₂OMg₄

Random!

100

How many elements are on the periodic table?

118

200

What is the chemical symbol for potassium? 

K

300

What is the short hand way of writing the name of an element?

Chemical symbol

400

Draw a water compound: 

Answers may vary. 

500

Elements in the Periodic Table are listed according to their:

Atomic Number (Protons)