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1^st consider the bonding in methane, CH4. The carbon atom forms 4 single covalent bonds to hydrogen atoms. However, when we consider the electronic configuration of Carbon (electrons-in-box not...

The first step is to create a basic checklist which can be used for any of these types of questions. This could include a few grammar tenses and structures, a few versatile bits of vocabulary, and some po...

3x+3y=5      6x+5y=9Multiply the first equation by 2 to get a workable x coefficient:6x+6y=10Write the equations above each other and subtract them:6x+6y=10                                                ...

Semi-permeable membranes in the cell will let some molecules through but not others. There are three main ways in which these molecules can move. 1) Active transportAs the name suggests, here, molecules a...

French can be confusing like that! In English, nouns are neither feminine or masculine. So you can always use the same articles such as "a" or "the". In French, each word has a gender....