If your form looks OK - but when you click the submit button nothing appears to happen, or the page reloads but no email is sent and/or no record is saved in a database table then it's possible that there is a problem with the form Action URL and it is not submitting to ChronoForms. This FAQ suggests some ways to check what is happening and solve the problem.
ChronoForms v5 FAQ items, most of the CFv4 section items are still applicable in v5