Vocabulary
PTOE
Writing Chemical Equations
Reactions
Random
100
the tiny pieces that all matter—all the stuff in the world—is made of
What are atoms?
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 would be the chemical formula?
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
something that can be observed about a substance, such as color, smell, or boiling point
What is a property?
200
The name of element number 1.
What is the hydrogen?
200
something that is made of all the same atoms or groups of atoms
What is a substance?
200
The starting substance in a chemical reaction
What are REACTANTS?
200
These are all examples of these?
What are molecules?
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
During a chemical reaction, this cannot be created or destroyed
What are atoms?
300
The molecules and atoms at the start of a chemical reaction do this to form the molecules and atoms in the product.
What is rearrange?
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 chemical reaction is a process during which the atoms of starting substances (called this) rearrange to form new substances (called this).
What are reactants and products?
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
The difference between Co and CO
What is cobalt and carbon with oxygen?
500
letters and numbers showing the types and number of atoms that repeat to make up a substance
What is a chemical formula?
500
The number assigned to an element, based on the number of protons in the nucleus of its atom
What is atomic number?
500
The elements found in aluminum phosphate, if the chemical formula is AlPO4.
What is aluminum, phosphorus and oxygen?
500
How many total atoms in the products.
What is 36?
500
What holds atoms together to make a molecules.
What are bonds?