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Vocabulary
Counting Atoms
Balancing Reactions
Lab Investigations
Properties of Matter
100

The smallest and most basic unit of matter.

Atom

100

How many atoms are in NaHCO3?

6 (six)

100

True or False, this reaction is balanced:  Na + O2 🡪 Na2O

False

100

In this type of system, matter can escape into the environment and avoid measurement.  

Open System

100

A measure of how well something dissolves in water, acid, oil, or any other fluid. 

Solubility

200

Any 2 or more atoms chemically bonded together

Molecule

200

How many different elements are in (NH4)3PO4?

4 (Nitrogen, Hydrogen, Phosphorous, and Oxygen)

200

How many oxygens should I find in the products of this reaction: N2O5 + H2O 🡪 ????

6 (six)

200

In a theoretically perfect closed system we measure the mass of our reactants to be 135.7 grams.  What will the mass of the products be? 

135.7 grams (theoretically perfect closed system)

200

The amount of matter (mass) packed into a given space (volume)

Density

300

The 103 different types of atoms that all of existence is made from

Elements

300

How many total atoms are in the reactants of this reaction: Ca(OH)2 + HBr 🡪 CaBr2 + H2O

7 (seven)

300

What coefficient should replace the question mark in the chemical equation: C6H12O6 + ?O2 -> 6H2O + 6O2

6

300
These 2 chemicals were responsible for the reaction in the bath bomb when exposed to water.

Citric Acid and Baking Soda

300

True or False:  All matter has mass regardless of state.

True

400

Matter cannot be created or destroyed, it can only transform.

The Law of Conservation

400

How many different elements are in the products of this reaction: La2O3 + H2O 🡪 La(OH)3?

3 (Lanthanum, Hydrogen, Oxygen)

400

What coefficient should replace the question mark in order to balance the equation: ?Fe2O3 + 3C  -->  4Fe + 3CO2

2

400

What tool have we used to measure the amount of matter in a reaction?

A Scale (taking the mass)

400

A force that arises when electrons move, results in object that can attract or repel each other.  

Magnetism

500

The element upon which all of life on earth is based.

Carbon (C)

500

How many atoms of each element are in the molecule Fe2(SO4)3 ?

Fe = 2
S = 3
O = 12

500

How many oxygen atoms should there be in the reactants if these are the products:  🡪 Al2(SO4)3 + H2O?

13 = 4 x 3 + 1

500

What is the full chemical equation for the bath bomb reaction? 

NaHCO3 + C6H8O6  --->  CO2 + H2O + Na3C6H5O7

500

This property describes a chemical that electrical charge can move through.

Conductivity