Is Bellatrix dead, because it just says Mrs Wealsleys spell hit her in the chest not killing curse یا anything??

Yes, Molly's spell definitely killed Bellatrix; the سوال in most readers' minds is whether Molly used the Avarda Kedavra curse. The book is not specific as to what curse "...soared beneath Bellatrix's outstretched arm and hit her squarely in the chest, directly over her heart." I rather think the curse Molly used was not AK; I believe she used a legal curse(such as the Stunning curse), and the placement directly over the دل is what killed Bella. After all, Molly is not a murderess...she was dueling to protect her children.

Yes, Bellatrix Lestrange is dead. I believe that Molly Weasley was avenging Fred, Lupin and Tonks when she was dueling with Bella. The book کہا that both women were dueling to kill, so I suspect that Molly was using Avada Kedavra... Who was going to stop her? The book also کہا that Harry knew what was going to happen before it did, because Bella had the same smirking smile, that Sirius had, right before he died and Bellatrix killled him with Avada Kedavra. I hadn't known if Bellatrix had been killed یا not either, but when the book said, Voldemort blasted McGonagall, Shacklebolt and the potions guy (i forget his name) back as the fury of losing his last best lieutenant struck. So to answer your question, yes Bellatrix is dead and I believe that Molly was using Avada Kedavara, but to save the rest of the world, from Bellatrix's evil.

Yes, Bellatrix is dead. At least, I'm like 99.9 percent sure.

Bellatrix is dead cause in the book says that Voldemort was really mad because he has just lost his best and faithful dummy death... and that means that she really died with Mrs. Weasley´s curse

I don't remember... but it dosen't sound likely. It WAS a killing curse... I think.
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yes she died stupid cow
no one gets away with almost killing ginny

seeming as fred just died

Yes she died. The curse hit he directly above the heart. (Just like when someone gets hit with a baseball above the دل and they die, the curse stopped her heart)

bellatrix is dead
dead as a doornail :)

Yes, but she only noticed she was dead right before she fell.

Yes she is definitely dead.