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Kaylis [27]
2 years ago
6

Select the correct answer. Which notation is used to represent gamma decay?​

Chemistry
1 answer:
Marrrta [24]2 years ago
8 0

Answer:

B.

Explanation:

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Which scenario involves a
olga_2 [115]

Answer:

Amount of products and reactants is constant...Although,if any of the factors that interfere this scenerio is involved then there will be a shift or change...

6 0
2 years ago
PLS HELPPP How many moles of oxygen atoms (not molecules) are present in 6.41×1025 molecules of dinitrogen pentoxide (N2O5)? 1.
olga55 [171]

Answer:

(4) 266 moles

Explanation:

We have Dinitrogen Pentoxide N2O5

6.41*10^25 molecules are given

No of Moles of N2O5 = \frac{No of Molecules }{Avogadro's Number}

                                     = \frac{6.41 * 10^25}{6.022*10^23}

                                      = 106.5 mol

Now using Unitary Method

2 Mole of Nitrogen pentoxide require 5 mole of Oxygen to form N2O5

1 mole of N = \frac{5}{2}*O

In 106.5 mole of N  = \frac{5}{2}*106.5 = 266.25 mole

So, 6.41*10^25 molecules of N2O5 will require 266.25 mole of Oxygen atoms.

5 0
2 years ago
The first ionization energies (kl/mol) of hydrogen (H), nitrogen (N), fluroine (F), and oxygen (O) are 1,312, 1,402, 1,742, and
Oksanka [162]
Fluorine because of the spin pair repulsion fron the p orbitals
5 0
3 years ago
Which element contains four electrons in its third and outer main energy level? ​
UkoKoshka [18]

Answer:

valence electrons

Explanation:

The valence electrons are the outer most electrons and the principal energy level in which they belong will vary for .

6 0
3 years ago
Which solute forms a saturated solution when 36 g of it are dissolved in 25 g of water at 20°C?
aleksklad [387]

Answer:

<h2>Sodium Chloride (NaCl)</h2>

Explanation:

Using the standard solubility table , the solubility of sodium chloride is 36 g/100 mL water at 25°C.

Which means that 1 g of solid(that is in crystal form) sodium chloride will dissolve in 100 mL of water at 25°C.

5 0
2 years ago
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