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Monica [59]
3 years ago
7

How many electrons are in the second ring of sodium​

Chemistry
1 answer:
kvv77 [185]3 years ago
3 0

Answer:

there are eight electrons

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_H2 SiCl2 + _H2O −−→ _H8 Si4O4 + _HCl
Serjik [45]

Answer:

A

Explanation:

pls mark brainliest right

6 0
3 years ago
According to valence bond theory, which orbitals on N and H overlap in the NH3 molecule? 2p on N overlaps with 2s on H 2s on N o
Alecsey [184]

Answer:

sp^{3} on N overlaps with 1s on H.

Explanation:

Hybridization of central atom generally can be found by finding the hybridization number.Hybridization number is the sum of number of lone pairs and number of sigma bonds.

If hybridization number is 2 then the central atom is sp hybridized.

If it is 3 it is sp^{2} hybridized.

If it is 4 it is sp^{3} hybridized and so on.

Here in NH_{3} molecule there are 3 sigma bonds and one lone pair(see the figure attached).

Hence hybridization number is 4 and hence it is sp^{3} hybridized.

And in case of hydrogen atom the only electron of it resides in the 1s orbital.

Therefore sp^{3} on N overlaps with 1s on H.

8 0
4 years ago
Help with a and b if so thanks please asap!!
Anastaziya [24]

Answer:

A.  0.01  B. 650

Explanation:

I love helping people.

7 0
4 years ago
Balance the Following Equations: SiCl4 + H2O = SiO2 + HCl
Dmitry [639]

Answer:

SiCl4 + H2O = SiO2 + HCl

Reactant. product

Si = 1 atom Si = 1 atom

Cl = 4 atom Cl = 1 atom

H = 2 atom H = 1 atom

O = 1 atom O = 2 atom

SiCl4. + 2H2o = SiO2 + 4hcl

Reactant. product

Si = 1 atom Si = 1 atom

Cl = 4 atom Cl = 4 atom

H = 4 atom H = 4 atom

O = 2 atom O = 2 atom

Balanced chemical equation.

4 0
3 years ago
What is the more reactive metal CA or Ra
Anit [1.1K]
Ra (radium) is the most reactive
8 0
3 years ago
Read 2 more answers
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