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2 years ago

Molecules illustrating this type of bond include the gases H2, N2, O2, and all the diatomic _____ molecules.

Chemistry

1 answer:

Oksanka [162]2 years ago

6 0

Answer:

nonpolar covalent bond

Explanation:

Covalent molecules made of only one type of atom, like hydrogen gas (H2), are nonpolar because the hydrogen atoms share their electrons equally.

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What is the (a) frequency and (b) wavelength (in nm) of a source of purple light at the edge of the visible light spectrum?

stiv31 [10]

Answer: a) $Frequency=666\times10^{12}Hz-789\times10^{12}Hz$

b) $Wavelength=380nm-450nm$

Explanation: Visible light is a form of electromagnetic wave.

Wavelength is defined as the distance between two successive crests of a wave. It is represented as symbol $\lambda$ .

Frequency is defined as the number of complete cycles happening per second. It is represented by the symbol $\nu$ .

Wavelength and Frequency follow inverse relation,

$\nu=\frac{c}{\lambda}$

where, c = speed of light = $3\times10^8m/s$

Wavelength and frequency of a wave is usually expressed in a range.

a) $\text{Frequency of visible light}=666\times10^{12}Hz-789\times10^{12}Hz$

b) $\text{Wavelength of visible light}=380nm-450nm$

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3 years ago

Which of the following types of mixtures exhibit the Tyndall effect?

Alekssandra [29.7K]

C) Colloids

Colloids have small non-dissolved particles that flow around in the mixture. These particles do not settle over time. When a light is shined on colloids the scattering characteristic of the Tyndall effect are visable.

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3 years ago

How many moles of H,O must be decomposed to form 200 moles of H,? 24,0 2H +0,

son4ous [18]

Answer:

300

Explanation:

at least 300 molecules

8 0

3 years ago

Do oxygen atoms become more stable or less stable when oxygen forms compounds? Explain

4vir4ik [10]

They become more stable because they achieve a full outer shell of valence electrons with the magic number of 8.

5 0

3 years ago

Read 2 more answers

Question

hram777 [196]

I think it’s false : D

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3 years ago