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dybincka [34]
2 years ago
10

Abbreviated electron configuration for tellurium

Chemistry
1 answer:
Zinaida [17]2 years ago
4 0

Answer:

The ground state electron configuration of ground state gaseous neutral tellurium is [Kr]. 4d10.

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The oxygen atom in a water molecule A is electrically neutral. B carries a negative electrical charge. C carries a positive elec
Klio2033 [76]

Answer: The oxygen atom in a water molecule carries a negative electrical charge.

Explanation:

A polar covalent bond is defined as the bond which is formed when there is a difference of electronegativities between the atoms.

Hydrogen bonding (H-bonding) is an intermolecular force having partial ionic-covalent character. H-bonding takes place between a hydrogen atom (attached with an electronegative atom e.g. O, N and F) and an electronegative atom (O,N and F).

In , H_2O , O is a highly electronegative atom attached to a H atom through a covalent bond. Therefore O atom gets partial negative charge and H atoms get partial positive charge.  

7 0
3 years ago
the density of air at ordinary atmospheric pressure and 25 degrees celcius is 1.19 g/L. what is the mass, in kilograms, of the a
riadik2000 [5.3K]
The mass of the air in the room is 50 kg.

V = lwh = 15.5 ft × 12.5 ft × 8 ft = 1550 ft³

1 ft = 12 in × \frac{2.54 cm}{1 in} = 30.48 cm

V = 1550 ft³ ×(\frac{30.48 cm}{1 ft})^{3} = 4.39 × 10⁷ cm ³ = 4.39 × 10⁷mL = 4.39 × 10⁴ L

Mass = 4.39 × 10⁴ L × \frac{1.119 g}{1 L} = 5.22 × 10⁴ g = 52.2 kg

Note: The answer can have only 1 significant figure, because that is all you gave for the height of the room.

To the correct number of significant figures, the mass of the air in the room is 50 kg.
6 0
3 years ago
How much heat is absorbed by a 2000 g granite rock as energy from the sun causes its temperature to change from 10°C to 29°C?
emmainna [20.7K]

Answer:

None of the options are correct. The correct answer is 30020J

Explanation:

Data obtained from the question include:

Mass (M) = 2000g

Initial temperature (T1) = 10°C

Final temperature (T2) = 29°C

Change in temperature (ΔT) = T2 - T1 = 29°C - 10°C = 19°C

Heat (Q) =?

Specific heat capacity (C) of granite = 0.79J/g°C

Applying the equation Q = MCΔT, the heat absorbed by the granite rock can be obtained as follow:

Q = MCΔT

Q = 2000 x 0.79 x 19

Q = 30020J

3 0
3 years ago
Give the full electron configuration for nitrogen.
garri49 [273]

Answer:

1s2 2s2 2p3

Explanation:

3 0
3 years ago
Scientists decide that in an experiment on fish, all the fish will be fed the same amount of food
Liula [17]
This is a controlled variable
4 0
3 years ago
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