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Why is it called sharp principle diffuse and fundamental?
These designations have to do with the appearance of spectral emission lines, which were said to be "sharp, principal, diffuse and fundamental", before the nature of the electron transition that gave rise to them was properly understood.The choice of letters s, p, d, f originates from a now-obsolete system of categorizing spectral lines as "sharp", "principal", "diffuse" and "fundamental" (or "fine").[Cf. 'Related link' at left of this answer: Naming of s, p, d, f -orbitals].
What element has 6 letters?
cobaltindiumheliumiodinenickelsulfurerbiumcuriumsilver sodiumradiumbariumcoppercarbonoxygencesiumosmiumcerium
Does carbon dioxide need capital letters?
When the term carbon dioxide is written or spelled out, it does NOT need capital letters. However, when it is written as a chemical formula, it DOES need capital letters, as in CO2.
What words can you make out of the letters evaporation?
Some words that can be made out of the letters in "evaporation" are: raven, pirate, anteroom, renovate.
What 2 letters never appear on the periodic table?
The letters "J" and "Q" do not appear in the Periodic Table .
The way in which a student quickly groups the individual letters in this test item into separate words BEST illustrates the principle of:?
proximity.
Who first invented printing that used separate metal letters?
Gutenburg first invented printing that used separate metal letters.
What are the letters setrepaa unscrambled?
The anagram is separate.
Which example illustrates how an apostrophe is used to form the plural of lowercase letters?
Always remember to dot your i's and cross your t's.
Financial assistance letters?
The financial assistance letters refer to letters written to help an individual or an organization access finance.
Is alphabets the right word to use?
If you are referring to sets of letters, then yes. But if you are referring to individual letters, they are called letters, not alphabets.
What are the parts of alphabet?
The individual letters are the parts of the alphabet.
How do you pronounce LMFAO?
You just say it as 5 separate letters fast
How do you address to one party at two addresses?
Send two separate letters in separate envelopes, each with their respective addresses.
How many letters are there in German?
The German alphabet is considered to have twenty-six letters (the same as in English); the umlauted vowels are not considered separate letters but are considered diacritics. The special double-s character is not considered a separate letter but a diagraph of two s letters (ss), now used only after a long vowel.
What did the letters mean on the side of a Spitfire?
The letters on the side of a Spitfire were it's Squadron code ( 2 letters) and it's individual aircraft code.
What small birds have 7 letters?
A carrier pigeon with seven separate messages...
