Compounds
What is a compound?
Substance that contains 2 or more elements chemically combined
How many types of chemical bonds are there?
Exothermic means...
Hot/Warm
Fill in the blank: Valence __________________
Electrons
What are isotopes?
Atoms of the same element with a different number of protons
What is a chemical bond?
Force that holds together elements in a compound
Name the type of chemical bond that starts with the letter, 'C'
Covalent bonds
Endothermic means...
Cold
Elements left of the zig-zag line are...
Metals
What are ions?
Atom that carries a charge due to a gain or loss of an electron
What is a molecule?
Two or more atoms held together by a covalent bond?
What are ionic bonds?
Attractive force between two ions with opposite charge
What is the pH scale (number wise)
0-14
Elements touching the zig-zag line are...
Metalloids
How do you find the number of neutrons?
Atomic mass subtracted by protons/atomic number
How many types of chemical bonds are there?
Three
What are reactants?
Substances that are present at the start of a chemical reaction (Left)
Acid has a pH level greater or less than 7?
Less
Elements to the right of the table are...
Nonmetals
True or false: You are matter
True
True or false: Water is a molecule
True
What type of bond GIVES UP an electron
Ionic bond
What pH level is the strongest base?
14
How many horizontal rows are there?
Seven horizontal rows
True or false: If a pH level is 13, it is an Acid
False