Why the hell did I go straight to bronze 2 after the first 5 unranked matches is it normal? I mean if I'd performed betterwas there a chance I'd be at gold?

So I just started out valorant and I like to explore the different agents and play a wide range of roles if possible. And I decided to try out killjoy.. but I have a question. After placing down the alarm bot and turret, it keeps pinging...