Crossword Puzzle Contemporary of Faraday

Clue: Contemporary of Faraday

Offers unsolicited advice, say (BUTTSIN with 7 letters)
Officeholder's office (SEAT with 4 letters)
Official lang. of Mauritius (ENG with 3 letters)
Offensively obvious (FLAGRANT with 8 letters)
One offering good wishes (TOASTER with 7 letters)
Office reminders (MEMOS with 5 letters)
Antidrug officer (NARC with 4 letters)
Pants worn by church officials in New Hampshire? (DEACONCORDUROYS with 15 letters)
Contemporary of Picasso (MATISSE with 7 letters)
Sign up for an offering (OPTIN with 5 letters)