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mojhsa [17]
4 years ago
14

Complete the chart. (Remember to enter a "0" if necessary.)

Chemistry
2 answers:
lions [1.4K]4 years ago
7 0

Answer : The electronic configuration of Atomic number 10 is, 1s^22s^22p^63s^03p^04s^03d^04p^05s^0

Explanation :

Electronic configuration : It is defined as the arrangement of electrons of an atom in an atomic orbitals.

In the electronic configuration, the s, p, d, f are the sub-shells which can hold 2, 6, 10, 14 electrons respectively.

Given : Atomic number = 10

Atomic number = Number of electrons

The number of electrons = 10

The electronic configuration of Atomic number 10 is, 1s^22s^22p^63s^03p^04s^03d^04p^05s^0

antoniya [11.8K]4 years ago
3 0
Just remember how many electrons can each sublevel hold.

S=2
P=6
D=10

Since we have 10 for atomic number, we can assume we have 10 electrons

1S2
2S2
2P6
The rest have zero because we already have 10 (2+2+6=10)
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Explain why titanium conducts electricity
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Answer:

Because they are electrical conductors because their delocalized electrons carry electrical charge through the metal. they are good conductors of thermal energy because their delocalized electrons transfer energy.

I hope it helps.

6 0
2 years ago
If air resistance is negligible, the sum total of potential and kinetic energies of a freely falling body _______
dybincka [34]

Answer:

Mechanical energy

Explanation:

Given that,

Potential energy of an object is given by :

P = mgh

The kinetic energy of an object is given by :

K=\dfrac{1}{2}mv^2

Where

m is mass

h is height

v is velocity of the object

The sum of potential and kinetic energy is equal to total energy or the mechanical energy.

Hence, if air resistance is negligible, the sum total of potential and kinetic energies of a freely falling body is equal to mechanical energy.

4 0
3 years ago
3. 53.2 g C reacts with Iron (III) oxide, how many grams of iron can be produced?
Vikentia [17]

Answer:

a

Explanation:

a

8 0
3 years ago
A soft silvery metal has two naturally occurring isotopes: mass 84.9118, accounting for 72.15% and mass 86.9092, accounting for
zloy xaker [14]

Answer: The atomic weight of the metal would be 85.47.

Explanation:

Mass of isotope 1 of metal = 84.9118

% abundance of isotope 1 of metal = 72.15% = \frac{72.15}{100}

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% abundance of isotope 2 of metal = 27.85% = \frac{27.85}{100}

Formula used for average atomic mass of an element :

\text{ Average atomic mass of an element}=\sum(\text{atomic mass of an isotopes}\times {{\text { fractional abundance}})

A=\sum[(84.9118)\times \frac{72.15}{100})+(86.9092)\times \frac{27.85}{100}]]

A=85.47

Therefore, the atomic weight of the metal would be 85.47.

6 0
3 years ago
Calculate the molarity of 0.289 moles of FeC13 dissolved in 120 ml of solution
yanalaym [24]

Answer:

2.41 M

Explanation:

The molarity is the moles of FeCl3 over the liters of solution. Since you're given mL you need to change it to L which is 0.12 L. 0.289 divided by 0.12 is your answer

5 0
4 years ago
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