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ivolga24 [154]
3 years ago
7

What is nuclear medicine

Chemistry
2 answers:
Mumz [18]3 years ago
6 0
The branch of medicine that deals with the use of radioactive substances in research, diagnosis, and treatment.
nikitadnepr [17]3 years ago
6 0

the branch of medicine that deals with the use of radioactive substances in research, diagnosis, and treatment.

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Determine the oxidation number of each element in these compounds or ions. (a) au2(seo4)3 (gold(iii) selenate) au = se = o = (b)
Stels [109]
<span>                                                    Au</span>₂(SeO₄)₃

                                         O = -2 × 4 = -8
                                             Se  =  + 6
So,
                                            (+6 - 8) = -2

Means (SeO₄) contains -2 charge, Now multiply -2 by 3
                                             
                                             -2 ₓ 3 = -6
Means,
                             Au₂ + (-6) = 0
               
                            Au₂  = +6
Or,
                            Au  =  6 / 2

                            Au  = +3
Result:
                            Au  =  +3
                            Se  =  +6
                            O   =  -2

                                                      Ni(CN)₂


Cyanide (CN⁻) contains -1 charge,
So,
                              N  =  -3
                              C  =  +2
Then,
                                         Ni + (-1)₂  =  0

                                               Ni - 2  =  0
Or,
                                                     Ni =  +2
Result:
                            N  =  -3
                            C  =  +2
                           Ni  =  +2




6 0
3 years ago
Need help ASAP please and thank you
Anna35 [415]
The answer is the second choice
5 0
3 years ago
An ionic bond occurs between what particles
kakasveta [241]
<span>The correct answer is that an ionic bond forms between charged particles. To form this bond, the particles transfer valence electrons (those in the outermost orbit). Specifically, in ionic bonding, the metal atom loses its electrons (thus becoming positive) and the nonmetal atom gains electrons (thus becoming negative).</span>
4 0
3 years ago
Read 2 more answers
How does the electron structure of atoms change when they form chemical bonds
andriy [413]
For ionic bond
The metal atom will lose electrons to form cations and the non metal atom will gain electron.egNaCl
3 0
3 years ago
Um cilindro de êmbolo contém certa quantidade de um gas nobre a 27°C, o qual exerce pressão de 1,5 atm e ocupa volume de 6 litro
OverLord2011 [107]

Answer:

45c

Explanation:

3 0
3 years ago
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