harmful
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The chemistry of nobelium is practically unknown; chemists haven't sufficient amounts of material for experiments. Possible exist chlorides of nobelium and some complexes. Any compound between nobelium and sodium.
The chemical symbol of nobelium is No. Hahnium was a proposed name for element 105 but was rejected by IUPAC in favor of (Db) dubnium.
The element for the symbol No is Nobelium. It is a radioactive metal that belongs to the actinide series of the periodic table.
102 ( the atomic #, # of protons, and #of electrons are always the same )
If you need help I recommend you type in the specific question you need help with
it can be helpful or harmful
sometimes they are helpful and harmful.
Sandpaper is both helpful and harmful.
they are helpful not harmful to plants
helpful
helpful
Depends on what part of "harmful" or "helpful" you are referring to.
Harmful bacteria will harm you. Helpful bacteria will help you.
Slash and burn does not sound helpful, it sounds harmful.
helpful
Helpful.