Co-ordinating units of writing must all be of the same grammatical kind ... developing an ear for detecting when a sentence has lost its parallel structure. In each of the above examples, the ...

Take lithium for example. The diagram above shows ... the second shell 1 electron in the third shellYou can write sodium’s electronic structure with as: 2, 8, 1 The electronic structure of ...

College essay writing can seem daunting. One feels compelled to do well, remain concentrated, and follow deadlines. It’s not ...