Electrons ruminate around the nucleus in particular circular path known as orbit called shell.
Electronic configuration is the dispense of electrons.
Electronic configuration is also known as electronic structure.
Also termed as spatial methodize.
More than one orbital in the electron shell is known as subshell, they have similar energy level.
In Electronic configuration there are four shell present namely k,l,m,n and there are 4 sub-shell namely s,p,d,f.
As we know that every subshell fills gradually s max 2 electrons p - 6 , d - 10 and f - 14.
So,
According to questions,
Thge element has configuration 1s2 2s2 2p4 hence 8 electrons.
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The electronic configuration is for iron (Fe) because if you add all those power up it will give you 26 and it’s the atomic number of Fe
the correct number of significant digits
addition= -3.220g = 4 significant digits.
subtract= -5.820g = 4 significant digits
<h3>How are significant digits determined?</h3>
- Use the following three rules to determine how many significant figures are present in a number:
- Digits that are not zero are always important. Any zeros in the range of two significant digits are noteworthy.
- ONLY in the decimal section are a final zero or following zeros important.
<h3>What are examples of significant digits?</h3>
- Any two non-zero digits that are separated by a zero are important. For instance, the number 108.0097 has seven significant digits.
- Every zero that is both to the right and left of a non-zero digit and the decimal point is never meaningful.
- For instance, the number 0.00798 had three significant digits.
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No, they have a protein coat that keeps the virus in.
Im pretty sure it would be a primary consumer because Primary consumers are animals that eat primary producers aka herbivores (plant-eaters). Secondary consumers eat primary consumers aka carnivores (meat-eaters) and omnivores (animals that eat both animals and plants). Tertiary consumers eat secondary consumers.
