Вопрос школьника по предмету Химия
Химический элемент, формула высшего оксида которого ЭO3, в периодической системе находится в:
1) VIА группе
2) VIIА группе
3) IVА группе
Ответ учителя по предмету Химия
Ответ:
1)
Объяснение:
Находится в VIА группе
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Sebastian had a close friend called Kellie. Kellie was a kind and intelligent dog. Sebastian was sure that Kellie was smartest dog in world. Kellie could bring in magazines and newspapers from thw letterbox to Sebastian’s mum.One day the her saw a robbery . A robber pushed a woman, took robber bag and ran off. Nobody saw the note except for Sebastian and Kellie. They wet after the robber . The Sebastian wrote a ran with the address and gave it io Kellie. Kellie friend to Sebastian’s mum