Why can the atomic number also be called the house number of an element?
Hello, I have this task in chemistry, can anyone help?
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Where is my mistake in this pH calculation?
ByIvy00638
I have just tried to follow our blackboard notes for number 3f), where we arrived at the result pH=13.6. But I didn't get the same value when I recalculated (see appendix). Where did I go wrong? Thank you very much
Chemistry help?
ByHagar490
Hello, This molecule is called: 4-methylhexan-3-ol ? This is correct: it is a secondary alcohol because the carbon atom where the hydroxyl group is connected has two neighboring atoms.
How do you write a protocol?
How do you write a protocol?
How are alkanes extracted from petroleum?
I've already done a bit of research on this topic, but I don't understand it. Can someone explain to me how alkanes are extracted from petroleum? Thank you in advance.
Look at the periodic system of the elements. The order number indicates the number of protons in an atomic nucleus. Elements are sorted by the order number in the periodic system. Like houses by their house number.
Because each element has its own ordinance number and they are sorted afterwards.