Questions
Rank Topic Problem Formatted Problem
1 Find the Number of Neutrons H
2 Find the Mass of 1 Mole H_2O
3 Balance H_2(SO_4)+K(OH)→K_2(SO_4)+H(OH)
4 Find the Mass of 1 Mole H
5 Find the Number of Neutrons Fe
6 Find the Number of Neutrons Tc
7 Find the Electron Configuration H
8 Find the Number of Neutrons Ca
9 Balance CH_4+O_2→H_2O+CO_2
10 Find the Number of Neutrons C
11 Find the Number of Protons H
12 Find the Number of Neutrons O
13 Find the Mass of 1 Mole CO_2
14 Balance C_8H_18+O_2→CO_2+H_2O
15 Find the Atomic Mass H
16 Determine if the Compound is Soluble in Water H_2O
17 Find the Electron Configuration Na
18 Find the Mass of a Single Atom H
19 Find the Number of Neutrons Nb
20 Find the Number of Neutrons Au
21 Find the Number of Neutrons Mn
22 Find the Number of Neutrons Ru
23 Find the Electron Configuration O
24 Find the Mass Percentages H_2O
25 Determine if the Compound is Soluble in Water NaCl
26 Find the Empirical/Simplest Formula H_2O
27 Find the Oxidation Numbers H_2O
28 Find the Electron Configuration K
29 Find the Electron Configuration Mg
30 Find the Electron Configuration Ca
31 Find the Number of Neutrons Rh
32 Find the Number of Neutrons Na
33 Find the Number of Neutrons Pt
34 Find the Number of Neutrons Be Be
35 Find the Number of Neutrons Cr
36 Find the Mass of 1 Mole H_2SO_4
37 Find the Mass of 1 Mole HCl
38 Find the Mass of 1 Mole Fe
39 Find the Mass of 1 Mole C
40 Find the Number of Neutrons Cu
41 Find the Number of Neutrons S
42 Find the Oxidation Numbers H
43 Balance CH_4+O_2→CO_2+H_2O
44 Find the Atomic Mass O
45 Find the Atomic Number H
46 Find the Number of Neutrons Mo
47 Find the Number of Neutrons Os
48 Find the Mass of 1 Mole NaOH
49 Find the Mass of 1 Mole O
50 Find the Electron Configuration Fe
51 Find the Electron Configuration C
52 Find the Mass Percentages NaCl
53 Find the Mass of 1 Mole K
54 Find the Mass of a Single Atom Na
55 Find the Number of Neutrons N
56 Find the Number of Neutrons Li
57 Find the Number of Neutrons V
58 Find the Number of Protons N
59 Simplify H^2O
60 Simplify h*2o
61 Determine if the Compound is Soluble in Water H
62 Find the Density at STP H_2O
63 Find the Oxidation Numbers NaCl
64 Find the Atomic Mass He He
65 Find the Atomic Mass Mg
66 Find the Number of Electrons H
67 Find the Number of Electrons O
68 Find the Number of Electrons S
69 Find the Number of Neutrons Pd
70 Find the Number of Neutrons Hg
71 Find the Number of Neutrons B
72 Find the Mass of a Single Atom Li
73 Find the Empirical Formula H=12% , C=54% , N=20 , ,
74 Find the Number of Protons Be Be
75 Find the Mass of 1 Mole Na
76 Find the Electron Configuration Co
77 Find the Electron Configuration S
78 Balance C_2H_6+O_2→CO_2+H_2O
79 Balance H_2+O_2→H_2O
80 Find the Electron Configuration P
81 Find the Electron Configuration Pb
82 Find the Electron Configuration Al
83 Find the Electron Configuration Ar
84 Find the Mass of 1 Mole O_2
85 Find the Mass of 1 Mole H_2
86 Find the Number of Neutrons K
87 Find the Number of Neutrons P
88 Find the Number of Neutrons Mg
89 Find the Number of Neutrons W
90 Find the Mass of a Single Atom C
91 Simplify na+cl
92 Determine if the Compound is Soluble in Water H_2SO_4
93 Find the Density at STP NaCl
94 Find the Oxidation Numbers C_6H_12O_6
95 Find the Oxidation Numbers Na
96 Determine if the Compound is Soluble in Water C_6H_12O_6
97 Find the Atomic Mass Cl
98 Find the Atomic Mass Fe
99 Find the Empirical/Simplest Formula CO_2
100 Find the Number of Neutrons Mt
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