SER Use the periodic table to answer the questions below.
Which diagram shows the correct electron
configuration for nitrogen (N)?
11 tỷ -
1s 2s 2p
N N LLI
2p
1s
2s
也tt
1s 2s
DONE

What is the maximum number of electrons that an atomic orbital can contain?

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?

Give one example of a pure (exact) number and of an estimated (measured) number.