Atomic theory
Element with atomic number of 7
Nitrogen
Number of Valence electron(s) in a noble gas
8
The substance that donates protons in a neutralization reaction
Acid
The number of moles of 4 grams of a helium atom
1
The rate of forward reaction equal to rate of backward reaction
Equilibrium
Element with electronic configuration of 2-8-7
Chlorine
Elements in the periodic table are arranged based on
atomic numbers
The experiment that illustrates the reaction between an acid and a base
Titration
The molarity of 2moles of a helium atom in 10 Liters of solution.
0.2 M
The increase in concentration of reactants favors
Forward reaction
Element with excited state of 2-7-4
Aluminium
Number of bonds in an N2 molecule
3
Measures the concentration of hydronium ions in solution
pH scale
The number of moles in 15 grams of CaO
0.42
The increase in temperature in an exothermic reaction favors
Backward reaction
Same atomic number different mass number
Isotope
The type of bond that exists in a cesium (Cs) strip.
Metallic
The Substance that is doing the dissolving
Solvent
The percentage of N2 in N2H2
93.3%
The type of stress that affects only gases
pressure
Number of electrons in Al3+
10
The type of bond between Group 1 and oxygen in group 6
ionic
The change in acidity from pH 2 to 5
1000 fold
The gram formula mass of CaSO4
136
The difference between the energy of the reactants and the energy of the products
Heat of reaction