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Arada [10]
2 years ago
14

Can someone help me please

Chemistry
1 answer:
Nostrana [21]2 years ago
5 0

Answer: The correct pairs of elements likely to form ionic compounds are, potassium and sulfur, magnesium and chlorine. The answer is argon please give me brainlist

Explanation:

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Describe the range of the radii of most atoms
andriy [413]
The radii of most atoms are actually measured in the Ǻ, or Angstrom. We can do it in nanometers too, however. 
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<span>Therefore, the typical atomic radius is between .031 and .27 nm.</span>
8 0
4 years ago
Nucleotides polymerize via condensation reactions. The reaction forms a new covalent bond—a phosphodiester linkage, or a phospho
Finger [1]

Answer:

The phosphodiester connects the 3′ carbon of one nucleotide to the 5′ carbon of another nucleotide

Explanation:

The phosphodiester bond is a covalent bond where a phosphate group is attached to adjacent C through an ester bond, which is a consequence of a condensation reaction between the two sugar hydroxyl groups and the phosphate group.

The diester bond between phosphoric acid and two sugar molecules in the DNA and RNA skeleton binds two nucleotides forming polymers known as oligonucleotides.

The phosphodiester bond binds a C3` with a C5` in both DNA and RNA

          (base)1-(sugar)-OH + HO-P(O)2-O-(sugar)-(base)2   ------>

------>   (base)1-(sugar)-O-P(O)2-O-(sugar)-(base)2  

During the reaction of two of the hydroxyl groups in phosphoric acid with a hydroxyl group in two other molecules two ester bonds in a phosphodiester group are formed. A condensation reaction in which a water molecule is lost generates each ester bond.

4 0
4 years ago
Q05 the "atomic number" of an atom is determined by the number of ________ it has.
Alexxx [7]
The atomic number of an atom is determined by the number of protons it has..

It is also the whole number shown on the periodic table 
6 0
4 years ago
After three half-lives, what fraction of a radioactive sample remains? 1/8 1/3 1/2 1/6
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1/8 got it from Yahoo answers and the answer was highlighted with 4 likes.... so most likely thats it
6 0
3 years ago
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How long is a hard boiled egg good for in the refrigerator?.
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Answer:

Hard-boiled eggs can be preserved up to 7 days in the refrigerator.

Explanation:

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