Matter & Atomic Structure
The Periodic Table
Electron Movement & Configuration
Nomenclature & Reactions
Bonding & Stoichiometry
100
An equal number of protons and electrons causes an atom to have this overall charge.

What is (electrically) neutral (no charge)?

100

This is the name of the Group 1 elements.

What is alkali metals?

100

This is the number of electrons that can occupy the p sublevel.

What is 6?

100

This is correct name for Mg3(PO4)2.

What is magnesium phosphate?

100

This is the number of particles in one mole of a pure substance.

What is 6.022 x 1023 or Avogadro's number?

200

This is a physical properties that quantifies the amount of matter in an object or substance.

What is mass?

200

The halogens below to this group on the periodic table.

What is Group 7A or 17?

200

This is the location of valence electrons in an atom.

What is the highest energy level?

200

This is the correct name for HCl.

What is hydrochloric acid?

200

This is the type of bond that occurs when electrons are shared.

What is covalent bonding?

300

Isotopes of an element have differing numbers of these.

What are neutrons?

300

This is what determines the location of an element on the periodic table.

What is atomic number or number of protons?

300

This must happen in order for an electron to jump from an ground state to an excited state.

What is absorption of energy?

300

This is the correct formula for dinitrogen trioxide.

What is N2O3?

300

This is the type of 3D structure formed by ionic compounds.

What is a crystal lattice?

400

This is the type of matter that is formed when two or more elements are combined chemically.

What is a pure substance?

400

This is the reason that atomic radii increases going down a group of elements.

What is an increasing number of energy levels?

400

According to this rule, electrons must fill and occupy the lowest energy levels first.

What is the Aufbau Principle?

400

This is the correct name for the formula Fe(NO3)2.

What is iron (II) nitrate?

400

This is the number of liters in one mole of a gas at STP.

What is 22.4L?

500

This is the mass number of a chlorine isotope with 17 protons, 17 electrons, and 18 neutrons.

What is 35?

500

Elements within the same group on the periodic table have these in common.

What are properties?

500

This is the reason Rutherford believed that atoms are made mostly of empty space.

What is alpha particles traveled right through gold foil?

500

This type of chemical reaction always involves O2 and results in the production of CO2 and water.

What is a combustion reaction?

500

This is the type of bond that occurs when atoms are surrounded by a sea of electrons.

What is metallic bonding?