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solmaris [256]
3 years ago
8

Which of the following statements is consistent with the electron configuration 1s22s22p63s23p4?

Chemistry
1 answer:
spayn [35]3 years ago
6 0

Answer:

a)

Explanation:

When finding the element based on its electronic configuration the subscripts gives the number of electrons in the element.

In the given example total number of subscripts are 16. This means the element has 16 electrons which is equal to the atomic number of the element. hence, the element is Sulphur.

Here, s, p, d, and f are orbitals. So, as per the EC given, 3p orbital has 4 electrons in it. Hence, option (a) is correct.

Since, s, p, d, and f are orbitals and not shells, subshells. Therefore, other options are incorrect.

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Someone please help me, i really need help!
barxatty [35]

Answer:

2 Moles

Explanation:

12 grams of carbon contains 1 mole

1 gram contains [1 mole/ 12 grams ] x 1 gram

24 grams contains [1 mole/ 12 grams ]* 24 gram = 2 moles.

5 0
3 years ago
When 15.6 g of fluorite (caf2) reacts with excess sulfuric acid, hydrogen fluoride gas is collected at 709 torr and 25.5°c. sol
lianna [129]
The reaction equation is:

CaF₂ + H₂SO₄ → 2HF + CaSO₄

The molar ratio between fluorite and hydrogen fluoride is 1 : 1.

The moles of fluorite supplied are:

Moles = 15.6 / 78.07
Moles = 0.200

The moles of hydrogen fluoride produced will be 0.2.

Now, we may use the ideal gas equation to determine the temperature:

PV = nRT
T = PV/nR

T = (899 * 7.4) / (0.2 * 62.36)

T = 533.40 K

The temperature will be 260.25 °C
5 0
3 years ago
What’s a predator? Are predators animals?
Setler [38]

Answer:

its an animal that preys on others

Explanation:

5 0
3 years ago
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__ Cu + ___ HNO₃ → ___ _Cu(NO₃)₂ + ___ NO₂ + ___ H₂O
ivolga24 [154]

Answer:

Cu + 4HNO3 --->   Cu(NO3)2 + 2NO2 + 2H2O.

Explanation:

Balancing:

Cu + 4HNO3 --->   Cu(NO3)2 + 2 NO2 + 2H2O.

3 0
3 years ago
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If a warm wind passes over snow, the snow can be heated rapidly. When this happens, the snow can change directly into water vapo
aleksklad [387]

Answer:

Sublimation

Explanation:

7 0
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