Questions
Rank Topic Problem Formatted Problem
101 Find the Number of Neutrons Ne
102 Find the Number of Neutrons Co
103 Find the Number of Protons K
104 Find the Number of Protons Mg
105 Find the Number of Protons Na
106 Find the Number of Protons O
107 Find the Number of Protons Si
108 Find the Number of Electrons Ca
109 Find the Number of Protons Li
110 Find the Mass of a Single Atom He He
111 Find the Mass of 1 Mole CO
112 Find the Mass of 1 Mole Ag
113 Find the Mass of 1 Mole Pt
114 Find the Mass of 1 Mole Ti
115 Find the Electron Configuration Rb
116 Find the Electron Configuration Si
117 Find the Electron Configuration Mn
118 Find the Electron Configuration Ne
119 Find the Electron Configuration Zn
120 Balance CaCO_3→CaO+CO_2
121 Balance CH_4+n_2→H_2n+Cn_2
122 Balance CO_2+H_2O→C_6H_12O_6+O_2
123 Balance Fe+O_2→Fe_2O_3
124 Find the Electron Configuration Xe
125 Find the Electron Configuration Ni
126 Find the Electron Configuration Li
127 Find the Electron Configuration Os
128 Find the Electron Configuration Sc
129 Find the Electron Configuration He
130 Find the Electron Configuration Au
131 Find the Mass Percentages C_6H_12O_6
132 Find the Mass Percentages H_2SO_4
133 Find the Mass of 1 Mole Nb
134 Find the Mass of 1 Mole Na_2CO_3
135 Find the Mass of 1 Mole Mo
136 Find the Mass of 1 Mole Ca
137 Find the Mass of 1 Mole Ca(OH)_2
138 Find the Mass of 1 Mole Co_2
139 Find the Mass of 1 Mole H_3PO_4
140 Find the Mass of a Single Atom Os
141 Find the Mass of 1 Mole CH_4
142 Find the Number of Electrons C
143 Find the Number of Electrons Fe
144 Find the Number of Neutrons Al
145 Find the Number of Electrons Li
146 Find the Number of Neutrons Ni
147 Find the Number of Neutrons Pb
148 Find the Mass of a Single Atom Au
149 Find the Number of Neutrons U
150 Find the Number of Neutrons Zn
151 Find the Number of Protons C
152 Find the Number of Protons Fe
153 Find the Empirical/Simplest Formula NaCl
154 Find the Atomic Mass Na
155 Determine if the Compound is Soluble in Water CO_2
156 Find the Atomic Mass Ag
157 Balance NH_3+O_2→N_2+H_2O
158 Balance NH_3+O_2→NO+H_2O
159 Find the Oxidation Numbers Li
160 Find the Oxidation Numbers Au
161 Balance h_2+o_2→h_2o
162 Find the Oxidation Numbers CO_2
163 Find the Oxidation Numbers Cr
164 Find the Oxidation Numbers O
165 Balance pv=nRT
166 Balance S+O_2→SO_2
167 Balance N_2+H_2=NH_3
168 Balance Na+H_2O→NaOH+H_2
169 Balance KClO_3→KClO_4+KCl
170 Find the Density at STP H
171 Find the Atomic Mass Li
172 Find the Atomic Mass K
173 Find the Empirical/Simplest Formula H_2n_2
174 Find the Empirical/Simplest Formula H
175 Find the Empirical/Simplest Formula Li
176 Find the Empirical/Simplest Formula O
177 Find the Empirical/Simplest Formula Fe
178 Find the Empirical/Simplest Formula C_6H_12O_6
179 Determine if the Compound is Soluble in Water Na
180 Simplify Mg+O
181 Simplify H+H+O
182 Simplify Ds
183 Find the Number of Protons Cu
184 Find the Number of Protons Al
185 Find the Mass of a Single Atom Ag
186 Find the Number of Neutrons Xe
187 Find the Mass of a Single Atom Be Be
188 Find the Number of Neutrons Re
189 Find the Number of Neutrons Ba
190 Find the Number of Neutrons Hs
191 Find the Number of Neutrons Cd
192 Find the Number of Neutrons Cl
193 Find the Number of Electrons Mg
194 Find the Number of Neutrons Ar
195 Find the Number of Electrons Cl
196 Find the Number of Electrons B
197 Find the Number of Protons Zn
198 Find the Mass of 1 Mole C_6H_12O_6
199 Find the Mass of a Single Atom Pt
200 Find the Mass of a Single Atom Rh
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