~ tilde
! exclamation point/mark
( )  Parentheses (used as a pair) 
( open parenthesis 
) close parenthesis
– (on the bottom of the key to the right of the zero on a US keyboard)  hyphen  (The same key is the underscore key if the shift key is pressed.)
The same key is used as a minus sign or negative sign (negative number).
The – on the alphanumeric keypad is an en dash. 
An en dash is slightly wider than a hyphen, and an em dash is slightly wider than an en dash.
You used a hyphen between keyboard and symbol.  keyboard–symbol
You used a dash to separate keyboard-symbol and the.   keyboard-symbol – the line in the middle