Baseline Chemistry Knowledge

Chemistry is the study of...

• structure of matter

• chemical reactions

• composition of matter

• properties of matter

• all of the above

Check all that apply: The periodic table contains the following information

• atomic symbols, numbers, and average atomic mass

• atomic radius trends

• electronegativity trends

• number of valence electrons

• number of energy levels where electrons can be found

The main difference between a chemical and a physical change is...?

• physical changes are easy and chemical are harder to do

• physical changes are irreversible and require massive energy to do

• chemical changes are at the structural level and cannot be reversed

• chemical changes can only be carried out in a lab, physical can occur anywhere

Scientific notation is....?

• a method of organizing lab reports

• a method of note taking for any science discipline

• a method of expressing small and big numbers

• a series of steps for carrying out a experiment

What is the difference between and acid and a base?

• acids and bases are identical, the name changes depending on the experiment

• acids donate protons and bases accept protons

• all acids are extremely corrosive, but bases are safe to handle with bare hands

• acids are common substances whereas bases are only found in lab settings

The most up to date model of the atom is referred to as ...

• The Bohr Model

• The Schrodinger Atomic Model

• The Quantum Atomic Model

• The Dalton Model

Electrons are responsible for the following types of magnetism? Select all that apply.

• Ferromagnetism

• Paramagnetism

• Diamagnetism

• Permamagnetism

• Electromagnetism

What type of intermolecular force is the strongest of the IMFS?

• Hydrogen bonding

• London Dispersion Forces

• Van der Waals Forces

• Dipole-Dipole Interactions

Select all that are TRUE about Exothermic Reactions.

• Release energy into the surroundings

• Reactants contain more chemical potential energy than the products

• Absorb energy from the surroundings

• Products contain more chemical potential energy than the reactants

It is possible to calculate how much of a product a chemical reaction should produce. This mathematical process is called?

• Solving a chemical equation

• Stoichiometry

• Chemistry

• Reactionary