Chemistry Game
What is the center of an atom called?
A nucleus
What is the third most common gas found in the air we breathe?
Argon (around 1%)
What is the chemical symbol for gold?
Au
Is sodium hydroxide (NaOH) an acid or base?
Base
What is the fourth most abundant element in the universe in terms of mass?
Carbon
Famous New Zealand scientist Ernest Rutherford was awarded a Nobel Prize in which field?
Chemistry
What orbits the nucleus of an atom?
Electrons
True or false? An electron carries a positive charge.
False
True or false? Bases have a pH level below 7.
False
What is the first element on the periodic table?
Hydrogen
Atoms of the same chemical element that have different atomic mass are known as?
Isotopes
At room temperature, what is the only metal that is in liquid form?
Mercury
What is the main gas found in the air we breathe?
Nitrogen (around 78%)
A nuclear reaction where the nucleus of an atom splits into smaller parts is known as nuclear fission or nuclear fusion?
Nuclear fission
K is the chemical symbol for which element?
Potassium
What is the name given to substances that are initially involved in a chemical reaction?
Reactants
True or false? A neutron has no net electric charge.
True
True or false? A proton carries a positive charge.
True
True or false? Acids have a pH level below 7.
True
What is H20 more commonly known as?
Water