Grammar 【Difference】between は (wa) and が (ga) which are subject marking particles
Use が if you want to make the subject of a sentence specific and exclusive. Other than that, use は.
particle
Grammar 
Grammar 【Difference】between で (de) and に (ni) which are location marking particles
When you talk about a place, you often use 'in' or 'at' in English. In Japanese, they are で or に.
Grammar 【Difference】between と (to) and や (ya) to join nouns
や implies more than what you list. と doesn't.