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What is the molar mass of CoBr3
299 g/mol
+2
Transition Metal
1,5,3,4
N: 41.1%, H: 11.8%, S: 47.1%
emit energy as they return to lower energy levels
Co to Ni
10 protons
During a flame test, ions of a specific metal are heated in the flame of a gas burner. A characteristic color of light is emitted by these ions in the flame when the electrons ____.
299 g/mol
+2
Transition Metal
1,5,3,4
N: 41.1%, H: 11.8%, S: 47.1%
emit energy as they return to lower energy levels
Co to Ni
10 protons
What coefficients correctly balance the formula equation, C3H8 + O2 → CO2 + H2O?
299 g/mol
+2
Transition Metal
1,5,3,4
N: 41.1%, H: 11.8%, S: 47.1%
emit energy as they return to lower energy levels
Co to Ni
10 protons
Consider the element with the electron configuration Kr 5s24d7. This element is a/an ____.
299 g/mol
+2
Transition Metal
1,5,3,4
N: 41.1%, H: 11.8%, S: 47.1%
emit energy as they return to lower energy levels
Co to Ni
10 protons
What is the charge of Calcium ion in Ca
299 g/mol
+2
Transition Metal
1,5,3,4
N: 41.1%, H: 11.8%, S: 47.1%
emit energy as they return to lower energy levels
Co to Ni
10 protons
Which of the following ordered pairs of elements shows an increase in atomic number but a decrease in average atomic mass?
299 g/mol
+2
Transition Metal
1,5,3,4
N: 41.1%, H: 11.8%, S: 47.1%
emit energy as they return to lower energy levels
Co to Ni
10 protons
Neon-22 contains 12 neutrons. It has how many protons?
299 g/mol
+2
Transition Metal
1,5,3,4
N: 41.1%, H: 11.8%, S: 47.1%
emit energy as they return to lower energy levels
Co to Ni
10 protons
What is the percentage composition by mass of ammonium sulfide, (NH4)2S?
299 g/mol
+2
Transition Metal
1,5,3,4
N: 41.1%, H: 11.8%, S: 47.1%
emit energy as they return to lower energy levels
Co to Ni
10 protons
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