Vocabulary
PTOE
Writing Chemical Equations
Reactions
Random
100
Anything that has mass or takes up space is called this.
What is matter?
100
The elements found in carbon dioxide.
What are carbon and oxygen?
100
A substance has one atom of sodium and one atom of chlorine. What is the chemical formula for the element?
What is NaCl?
100
A substance produced in a chemical reaction
What are PRODUCTS?
100
The molecule that has 2 atoms
What is carbon monoxide?
200
The tiny pieces that all matter—all the stuff in the world—is made of.
What is an atom?
200
The name of element number 1.
What is the hydrogen?
200
The difference between Co and CO
What is cobalt and carbon with oxygen?
200
The starting substance in a chemical reaction
What are REACTANTS?
200
The vocabulary term that means the relative size of things.
What is scale?
300
A group of atoms joined together in a particular way
What is a molecule?
300
A representation of an element using one or two letters
What is the symbol?
300
A representation of a chemical reaction using chemical formulas
What is a chemical equation?
300
The number of atoms that need to be in the products if H2O and CO2 undergo a chemical reaction.
What is 6?
300
Which of the following always results from a chemical reaction?
❍ A Bubbles
❍ B Fire or smoke
❍ C Temperature change
❍ D A new substance
What is D?
400
A process in which atoms rearrange to form new substances
What is chemical reaction?
400
An organization of the elements based on chemical properties
What is the periodic table of elements?
400
The number of atoms total in aluminum phosphate, if the chemical formula is AlPO4.
What is 6 ?
400
Give two types of evidence for chemical reactions.
What is COLOR CHANGE, GAS PRODUCTION/BUBBLES, CHANGES IN TEMPERATURE, NEW SUBSTANCE?
400
An object, diagram, or computer program that helps us understand something by making it simpler or easier to see
WHat is a model?
500
The three parts that make up an atom.
What are protons, neutrons and electrons?
500
The total number of elements found on the periodic table of elements.
What is 118?
500
The elements found in aluminum phosphate, if the chemical formula is AlPO4.
What is aluminum, phosphorus and oxygen?
500
The letters and numbers showing the types and number of atoms that repeat to make up a substance
What is chemical formula?
500
What holds molecules together.
What are bonds?