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sashaice [31]
3 years ago
9

Ions, isotope, average atomic mass fill in the blank

Chemistry
1 answer:
Zarrin [17]3 years ago
4 0

For Row 1 according to the respective Column is

  • Zn^{2+} , 32 ,65 ,32 ,30 ,34 ,2+

For Row 2 according to the respective Column is

  • Mn, 25, 55, 25, 25,30, 3-

For Row 3 according to the respective Column is

  • P, 15, 31, 15 ,15 ,16 ,0

For Row 4 according to the respective Column is

  • O^{2-} , 8 ,16 ,8 ,6 ,8 , 2-

For Row 5 according to the respective Column is

  • Na, 11, 23, 11, 10, 12, 1-

From the question we are told

Ions, isotope, average atomic mass fill in the blank

Generally

Where

  • Z signifies the Proton Number of the atom
  • A signifies Mass Number of the atom

Therefore

For Row 1 according to the respective Column is

  • Zn^{2+} , 32 ,65 ,32 ,30 ,34 ,2+

For Row 2 according to the respective Column is

  • Mn, 25, 55, 25, 25,30, 3-

For Row 3 according to the respective Column is

  • P, 15, 31, 15 ,15 ,16 ,0

For Row 4 according to the respective Column is

  • O^{2-} , 8 ,16 ,8 ,6 ,8 , 2-

For Row 5 according to the respective Column is

  • Na, 11, 23, 11, 10, 12, 1-

For more information on this visit

brainly.com/question/1641336  

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A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar System. Mass-spectroscopic ana
mamaluj [8]

Isotopes are atomic elements with the same proton number. The atomic number of the Ru atom in the periodic table will be 44 and the mass will be 100.9.

<h3>What are atomic numbers and mass?</h3>

Atomic numbers are the number of protons present in the nucleus of the atom. Whereas the atomic mass is the total number of protons and the neutrons of the atom.

The atomic number is the number of protons and remains constant for the same element at different places or planets. Hence, the atomic number of Ruthenium will be 44.

The atomic mass depends on the relative abundance and is calculated as:

\begin{aligned}\rm atomic\;  mass &= \rm \sum (relative \; abundance \times atomic \; mass) \; of \; each \; isotope\\\\&= (96\% \times 100.91) + (4\% \times 101.90)\\\\&=100.9\end{aligned}

Therefore, the atomic mass of Ru is 100.9 and the atomic number is 44.

Learn more about atomic mass and number here:

brainly.com/question/14838499

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7 0
2 years ago
Is acid rain exothermic or endothermic?
trasher [3.6K]

Answer:

in the presence of water, a strong acid will dissociate quickly and release heat, so it is an exothermic reaction.

Explanation:

7 0
3 years ago
How can I tell how many neutrons there are in an element
icang [17]
It all depends on if you know the mass number and atomic number then you will be able to find out what the amount of neutron in an element.
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Ammonium chloride, ammonium sulfate and ammonium nitrate are used in fertilisers.
Hoochie [10]

Answer:

1.0625 g

Explanation:

Number of moles in 5g of NH4NO3 = 5.0g/80g/mol = 0.0625 moles

Again the balanced reaction equation is;

NH3 + HNO3 → NH4NO3

So,

1 mole of NH3 yields 1 mole of NH4NO3

x moles of NH3 yields 0.0625 moles of NH4NO3

x = 0.0625 moles of NH3

Mass of NH3 = number of moles * molar mass

Mass of NH3 = 0.0625 moles * 17g/mol

Mass of NH3 = 1.0625 g

7 0
3 years ago
What solutions do we need to work on to get accurate results?<br> A) concentrated<br> B) diluted
Bess [88]
Answer:

A

I hope this helps you!!!
7 0
3 years ago
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