No, Atheism has no dogma. All it is is a lack of belief in a god or gods.
Only what we decide to forbid ourselves to do. Religion does not have a monopoly on morality, and just as there are moral and immoral theists, there are moral and immoral atheists.
The only attribute of atheism is that we lack any belief in gods.
No. Atheism is not any type of organization. Atheism is a lack of belief in the supernatural.To quote the late George Carlin, "Atheism is a non-prophet organization".
Atheism is important to an atheist. If you are an atheist you don't believe in any god.
A person who does not believe in any God is an Atheist.
Atheism has no theory. We simply disbelieve in any gods or other supernatural beings.
Atheism
An atheist does not believe in the existence of God. Atheism is the condition of not believing in God. Atheism is the absence of a belief in gods.
No. There is no conversion to atheism because it is not a religion. If you do not believe in any sort of god or spirit, then you are an atheist.
Dating and any sexual acts outside licit marriage are forbidden and sinful per Islam religion (and other religions).
No. In and of itself atheism is simply the absence of any belief in gods. It is a benign intellectual choice. Some people with strong religious beliefs may find that offensive but atheism itself is not the offender. Also, there may be some people who are atheists who are offensive but that is true of any group of people and is not caused by atheism but by human nature.
atheism has been around for ages, for example many ancient greek philosophers were atheist Atheism pre-dates civilisation. It is certainly older than any religion.
Atheism is not a "unifying" force nor is it intended to be. Atheism is not a religion nor a political system and there is no central organizing entity. Since atheism is not driven by any strict set of doctrines and atheists have no motive to take control over other people, force people to become atheists or rule the world, atheism is a relatively benign personal choice to not accept a belief in the supernatural.