I used the command wget to download chrome then used alien to install it. is there a way for me to uninstall it using either commands?
the .deb file is ./google-chrome*.deb
wget just downloads it and alien just converts it to a *.deb and optionally installs it on your behalf with dpkg. You can use dpkg -r or the somewhat more friendly apt-get remove to undo that.
apt-get remove google-chrome