Answer:
1s^2..2s^2..2p^6..3s^1
Explanation:
Since sodium has 11 electrons...its electron configuration is...;
1s^2..2s^2..2p^6..3s^1
;The powers of the energy levels(i.e s,p,d) should all add up to the number of electrons in an atom
*.When writing...please do not separate them.
Answer:
The ability and tendency of certain systems to maintain a relatively constant internal state in spite of changes in external conditions; this ability is achieved by the presence of feedback mechanisms which can adjust the state of the system to compensate for changes in the state caused by the external environment. It is exemplified in homeothermal biological systems, such as animals which maintain relatively constant blood temperature and composition in spite of variations in external temperature or the composition of the food ingested.
Explanation:
<span>The minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
Just look up the word bud :)</span>
HOPBr₂ = <span>dibromophosphinous acid
hope this helps!
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