Vocabulary
Density
Physical and Chemical Properties
Periodic Table
Chemical Equations and Molecular Compounds
100

This is the smallest unit of matter

What is an atom?

100

The equation to calculate Density

What is D=M/V

100

This type of property can be observed without changing the substance, and includes things like color, density, or melting point

What is a Physical Property?

100

Symbol for Hydrogen

What is H?

100

A compound made up of atoms

What is a molecular compound?

200

This is a substance made of only one kind of atom

What is an Element?

200

This property measures how much mass is packed into a given volume of a substance

What is Density?

200

This type of property describes a substance’s ability to change into a new substance, like flammability or reactivity with acid

What is a Chemical Property?

200

Symbol for Chlorine

What is Cl?
200

This number placed before a molecular formula tells how many molecules participate in a chemical reaction

What is a Coefficient?

300

This type of data uses numbers and measurements to describe things, like height or temperature.

What is Quantitative Data?

300

object submerged in a fluid displaces a volume of that fluid equal to the volume of the object

What is water displacement?

300

Opacity is either a physical or chemical property

What is a Physical Property?

300

Symbol for Boron

What is B?

300

a way to show a chemical reaction using symbols and formulas instead of words

What is a chemical equation?

400

This term describes a material that can be hammered or pressed into shapes without breaking — like most metals.

What is Malleable?

400

Between copper and aluminum, this metal is more dense

What is Copper?

400

Pennies are created with the makings of these 2 elements

What is Copper and Zinc?
400

Symbol for Gold

What is Au?

400

This chemical formula represents hydrochloric acid. Which has one Hydrogen and one Chlorine atom

What is HCl?

500

In a chemical formula like H₂O, this small number written below the line shows how many atoms of an element are in a molecule

What is a Subscript?

500

If an object has a mass of 17 grams and a volume of 2 cubic centimeters, this is its density in grams per cubic centimeter.

What is 8.5 g/cm3

500

This is what the dollar bill is made out of

What is 75% Cotton and 25% Linen?

500

Symbol for Lead

What is Pb?

500

In the balanced chemical equation 2H₂ + O₂ → 2H₂O, hydrogen and oxygen react to form this molecular compound.

What is 2 water molecules?

M
e
n
u