Answer:
2 double bonds
Explanation:
The atomic number (Z) of carbon is 6, so its electronic configuration is:
1s²
2s² 2p²
We can see that the valence electrons is 4, hence, the carbon can share 4 electrons with other atoms, forming 4 single bonds, and 2 double bonds.
For example, in the methane we have that the carbon can form 4 single bonds with the hydrogen:
H
|
H - C - H = CH₄
|
H
In the case of CO₂, we have that the carbon form 2 double bonds with the oxygen:
O = C = O
Therefore, the answer is 2, carbon can form 2 double bonds.
I hope it helps you!
Answer:
The electric field outside the sphere will be .
Explanation:
Given that,
Radius of solid sphere = R
Charge = q
According to figure,
Suppose r is the distance between the point P and center of sphere.
If be the volume charge density,
Then, the charge will be,
.....(I)
Consider a Gaussian surface of radius r.
We need to calculate the electric field outside the sphere
Using formula of electric field
Put the value from equation (I)
Hence, The electric field outside the sphere will be .
Answer:
a) T = 0.5 s
b) v = 1.2π m/s ≈ 3.77 m/s
Explanation:
It makes two revolutions in one second so makes one revolution in ½ second
circumference of the circle is
C = 2πr = 0.6π m
which it traverses in one time period
0.6π m / 0.5 s = 1.2π m/s
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Iron filings sprinkled near a magnet arrange themselves into pattern that illustrate the Magnetic fields. Magnetic fields are both about illustrate electric currents and magnetic materials. That's the reason why the iron filings arranges themselves into pattern when sprinkled near a magnet.