Do you think chemistry is important? If the answer you said was yes, you would be correct. Chemistry is studying matter and energy and their relationship to each other in different settings or environments. Everything you hear, see, smell, and taste involves chemistry and chemicals. Chemistry also helps us know which household chemicals are hazardous to keep together or combine and safely used. This quiz will take you into the fun and exciting world of chemistry.
The atoms on the reactant side are changed into different atoms on the products side.
the chemical reaction is not reversible.
the chemical reaction is reversible.
The number of atoms in the reactants is equal to the number of atoms in the product.
Carbon (C)
nitrogen (N)
Chlorine (Cl)
hydrogen (H)
Tearing paper
Evaporating water
Baking a cake
coloring a picture
sodium
Carbon
Oxygen
Mercury
Sodium
Oxygen
Carbon
Florine
A shiny solid
a dark liquid
a gas
A clear mix of liquid and solid
Neutrons should have a positive charge.
Electrons are found outside the nucleus.
Protons should have a negative charge.
Neutrons are not found in the nucleus.
Potassium
Rubidium
iodine
krypton
atomic number
mass number
Atomic mass
Overall change
Zinc (Zn)
Sulfur (S)
Fluorine (F)
Krypton (Kr)