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Matter&Energy
Atomic Structure
Acids&Bases
Periodic Table
Bonding
100
This law states that matter cannot be created nor destroyed.
What is the Law of Conservation of Mass?
100
This atomic particle that resides in the nucleus has a positive charge.
What is a proton?
100
A substance with a pH of 7 is considered to be this.
What is neutral?
100
The mass number of an atom that has six protons, six electrons, and eight neutrons.
What is 14?
100
A compound comprised of a metal and a nonmetal.
What is an ionic compound?
200
A pure substance composed of two or more different elements that are chemically combined in a fixed proportion.
What is a compound?
200
The subatomic particle with the least mass.
What is a beta particle?
200
According to one acid-base theory, a water molecule acts as an acid when the molecule does this.
What is donates an H+ ion?
200
This element is a liquid at STP.
What is Bromine or Iodine?
200
This type of bond has four shared electrons.
What is a multiple covalent bond?
300
This reaction releases energy.
What is an exothermic reaction?
300
As the elements in Period 3 are considered in order of increasing atomic number, there is a general decrease in this.
What is atomic radius?
300
A substance that when added to water increases the concentration of hydronium ions. (specific name)
What is an Arrhenius acid?
300
This group is also known as the Alkali Metals.
What is group 1?
300
A barium atom attains a stable electron configuration when it bonds with an element that has this charge.
What is -2?
400
This type of energy is associated with the random motion of atoms and molecules
What is thermal energy?
400
According to this model, this is the most probable location of electrons.
What is the wave-mechanical model?
400
A substance that dissolves in water and produces hydronium ions as the only positive ions in the solution.
What is an acid?
400
An atom in the ground state has a stable valence electron configuration. This atom could be in this group on the periodic table.
What is a noble gas?
400
This type of bond is found between atoms of solid cobalt.
What is a metallic bond?
500
These are 3 forms that in which energy can exist. (6 possible)
What are chemical, electrical, electromagnetic, nuclear, thermal, or mechanical energy?
500
The average atomic mass of Lithium if 7.42% exists as Li-6 (6.015 g/mol) and 92.58% exists as Li-7 (7.016 g/mol)
What is 6.941 g/mol?
500
When the pH of an aqueous solution is changed from 1 to 2, the concentration of hydronium ions decreases by a factor of this number.
What is 10?
500
When Sodium (Na) forms a bond with Chlorine (Cl), this happens to the size of the atomic radius of Sodium.
What is decreases?
500
Chemical bonds are formed between these.
What are valence electrons?