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2 years ago

Generally the ionization potential in a period increases, but there are some exceptions. The one which is not an exception is

Chemistry

1 answer:

Sunny_sXe [5.5K]2 years ago

4 0

Answer:

Generally, the first ionisation energy increases along a period. But there are some exceptions one which is not an exception

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How do hydroelectric dams emit greenhouse gases like methane without burning any fossil fuels?

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Answer: The concept behind hydroelectric power is simple: Rather than combusting fossil fuels, like coal, oil, or natural gas, which put over 52 million kilotons of greenhouse gases into the atmosphere each year, dams block the water flowing in rivers or lakes and use the force of the would-be flow to turn turbines,

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3 years ago

The longest wavelength of light that causes electrons to be ejected from the surface of a potassium metal plate is 539 nm. If 40

daser333 [38]

Answer:The longest-wavelength light that causes an electron to be emitted from gaseous lithium atom is 520 nm.

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2 years ago

A strip of copper 370 μm thick and 4.5 mm wide is placed in a uniform magnetic field B with arrow of magnitude 0.30 T, with B wi

777dan777 [17]

Explanation:

The given data is as follows.

Magnetic field (B) = 0.30 T

Current (I) = 24 A

n = $370 \times 10^{-6} m$

charge on electron (e) = $1.602 \times 10^{-19}$ C

Formula to calculate the potential difference is as follows.

V = $\frac{B \times I/d}{n \times e
}$

= $\frac{0.30 T \times 24 amps}{8.47 \times 10^{28} electrons/ m^{3} \times 370 \times 10^{-6} m \times 1.602 \times 10^{-19} C)}$

= $1.38 \times 10^{-6}$ V

Therefore, we can conclude that value of potential difference is $1.38 \times 10^{-6}$ V.

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3 years ago

Why parafin oil use in melting

MatroZZZ [7]

Answer:

Paraffin oil is used for determination of boiling point and melting point for the following reasons: It has a very high boiling point and so it can be used to maintain high temperatures in the boiling and melting point apparatus without loss of the substance.

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2 years ago

Which part of a bird's body is least likely to be preserved as a fossil? A. skeleton B. feathers C. skin D. internal organs E. b

Neporo4naja [7]

D. Internal organs, Organs will break down and be eaten by bugs and such postmortem

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2 years ago

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