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Write the electronic configuration of the following using the orbital method: 4. N3- 5. Ar 6. Sc3+ 7. Mn2+ 8. Fe3+ 9. V3+

4. 1s 2 2s 2 2p 6 5. 1s 2 2s 2 2p 6 3s 2 3p 6 6. 1s 2 2s 2 2p 6 3s 2 3p 6 7. 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 8. 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 9. 1s 2 2s 2 2p 6 3s 2 3p 6 3d 2
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Answered by Ewan P. • Chemistry tutor
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Why did the French Wars of Religion not begin sooner than 1562?

There are several factors which contributed to this. Protestantism in France did not really take off until the 1540s. The Reformation only began in 1517, with Martin Luther's 95 Theses. The number of French ...
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Answered by Joe C. • History tutor
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what is the difference between ser and estar?

ser has the following uses:1.To describe qualities of a person. E.g. Soy muy alta.2.For characteristics. E.g. Ella es muy tímida3.Time. E.g. Son las ocho.4.Occupations. E.g. Mi hermana es cantante6.Relations...
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Answered by Hawa B. • Spanish tutor
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Integration by parts; ∫e^x sin(x) dx

The first step in solving this problem is to identify that it is an integral that needs to be solved by parts. When you see an integral, check if it is in the form u v, where u and v are both functions of x ...
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Answered by Daniel B. • Maths tutor
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If we burn 3 moles of carbon in air (as per the equation), what mass (in grams) of carbon dioxide will be produced? What volume will this gas occupy at standard temperature and pressure?

So firstly, we assume that the oxygen is in excess (i.e. the amount of oxygen reacting won't limit the amount of carbon that can react), so we know that exactly 3 moles of carbon will be burnt. Then, from th...
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Answered by Sam H. • Chemistry tutor
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