When one atom transfers one or more valence electrons to another atom, a(n) __________ is formed.
What is Ionic Bonding.
100
The electrons involved in bonding are
What is the highest occupied energy level(s).
100
Spontaneous redox reactions are known as __________ reactions in both industry and the human body.
What is energy producing.
100
The difference in the heat contents of the products and the reactants is called
What is heat of reaction.
100
The term “fluids” collectively refers to
What is liquids and gases.
200
Positive ions are called
What is Cations
200
When atoms share valence electrons, a(n) __________ is formed.
What is covalent bond.
200
Oxidation and reduction occur
What is simultaneously.
200
If the reaction is endothermic, the sign of Δ H will be
What is positive.
200
A solid can be referred to as having
What is a definite volume and shape.
300
Any halogen needs _____ additional electron(s) to complete an octet.
What is 1.
300
Typically, when two atoms form a chemical bond, the expected result is that the electrons
What is will complete a noble gas configuration for both atoms.
300
__________ are assigned to each element as a formalism to keep track of the movement of electrons between species.
What is oxidation numbers.
300
When looking up enthalpy values for a set of reaction species, the enthalpy depends on the
What is physical state of the species.
300
What determines the physical state of a substance?
What is the pressure placed on it and the temperature.
400
Based on the electron configuration of rubidium, Rb, and nitrogen, N, the chemical formula for the most likely compound between these two elements would be
What is Rb3N
400
What type of diagram uses a single dot to represent an electron?
What is Lewis Diagram.
400
During oxidation, the oxidation number of a species becomes
What is more positive.
400
The internal energy is often called __________ because it is the result of all the motion of the particles and the forces between them.
What is chemical energy.
400
At room temperature (22°C) and normal atmospheric pressure, water exists as a
What is liquid.
500
Based on the electron configuration of sulfur, S, a sulfur atom will __________ valence electrons when bonding with lithium.
What is gain 2.
500
When the C 2H 4 molecule is drawn, how many electrons will be shared between the two carbon atoms?
What is 4.
500
Changes in the __________ can also be used to balance redox equations.
What is oxidation numbers.
500
If a chemical reaction is spontaneous, the total entropy of the chemical system and its surroundings