No, homework does not need a capital letter unless it is the first word of a sentence.
You can do some research on the topic. After you have the research, it would be a lot easier to find the slogan that you need.
No.
Gadolinium = Gd
gadolinium
NO
no
not really
No
The abbreviation of units is usually written with a capital letter, if it is based on the name of a person.
4Gallium (Ga)Germanium (Ge)Gadolinium (Gd)Gold (Au)
The word king does not need a capital letter. The reason the words April, California, and Renae need capital letters at the beginning is that they are proper nouns.