Matter
What is the study of matter and the changes it undergoes.
chemistry
Substances in nature that can not be broken down into further pieces.
Element
Formed when one atom donates an electron to another, creating charged ions (cations and anions) that are then attracted to each other. Think of it like borrowing an electron.
Ionic bond
2H2O2 → H2O + O2
Decomposition
Is an erupting lemon volcano an acid base reaction?
Yes
something that occupies space and has mass.
One atom is about a _____ times smaller than a human hair.
million
Formed when atoms share electrons. Imagine sharing your favorite toy with a friend.
Covalent bond
CH4 + 2O2 → CO2 + 2H2O
Combustion
is lemon juice acidic or basic?
acidic
No
Name the three subatomic particles.
electron, proton, neutron.
Found in metals, metallic bonds involve the sharing of electrons in a “sea of electrons”. Imagine filling your bathtub with beach balls.
Metallic bonds
What type of reaction is elephant toothpaste?
Decomposition
Baking soda basic or acidic?
basic
GAS
Molecules are separated by distances that are ____ (large/small)
large
What is C on the periodic table?
Carbon
How many main types of reactions are there?
5
Is acid H+ or OH-
H+
Name the 4th state of matter.
*Hint starts with p
plasma
Which subatomic particles are found in the nucleus of an atom?
Protons and neutrons.
Zn + Cu(NO3)2 → Zn(NO3)2 + Cu
Single replacement