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enyata [817]
3 years ago
8

Which of the following atoms would bond covalently? A. Silicon and sulfur B. Carbon and neon C. Lithium and fluorine D. Calcium

and magnesium
Chemistry
1 answer:
lord [1]3 years ago
3 0

Answer:

For example water is a covalent compound which is formed by the covalent bonding between hydrogen and oxygen atom.

Explanation:

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Ymorist [56]

Answer:

Yung explain

Explanation:

Shu makou du mang sugumani hinam dilomaoan

8 0
2 years ago
When an atom makes a transition from a higher energy level to a lower one, a photon is released. What is the wavelength of the p
kykrilka [37]

Answer:

Wavelength of the photon depends on transition from different states.

Explanation:

The wavelength of the photon that is emitted from the atom during the transition depends on the transition from different states. If the photon is emitted from n=4 state to n=3 state, the wavelength of photon is 1875 while on the other hand, if the photon is emitted from n=5 state to n=3 state, the wavelength of photon is 1282. If the photon is emitted from n=3 state to n=2 state, the wavelength of photon is 656.

4 0
2 years ago
The leaves of the rhubarb plant contain high concentrations of diprotic oxalic acid (hooccooh) and must be removed before the st
VLD [36.1K]
Chemical reaction (dissociation) 1: C₂O₄H₂(aq) ⇄ C₂O₄H⁻(aq) + H⁺(aq).
Chemical reaction (dissociation) 2: C₂O₄H⁻(aq) ⇄ C₂O₄²⁻(aq) + H⁺(aq).
c(C₂O₄H⁻) = c(H⁺) = x.
c(C₂O₄H₂) = 0.0269 M.
pKa₁ = 1.23.
Ka₁ = 10∧(-1.23) = 0.059.
Ka₁ = c(C₂O₄H⁻) · c(H⁺) / c(C₂O₄H₂).
0.059 = x² / (0.0269 M - x).
Solve quadratic eqaution: x = c(H⁺) = 0.02 M.
pH = -log(0.02 M) = 1.7.

3 0
3 years ago
What do element; atoms; molecule; chemical bond; compound; mixture; and substance have in common
sleet_krkn [62]
They are all things you can do to elements on the periodic table?
7 0
3 years ago
Electromagnetic waves with the shortest wavelengths and highest frequencies are called​
Feliz [49]

Gamma rays

Explanation:

Every member of the electromagnetic radiation has commensurate amount of energy, wavelength and frequencies.

The electromagnetic waves with the shortest wavelengths and the highest frequencies are the gamma rays.

  • Gamma rays also are the most energetic electromagnetic radiation.
  • The short wavelength of gamma rays suggests that more waves passes with times.
  • It's high frequency shows that a high amount of wave passes through a point at each passing of time.
  • These factors combines to give its high energy. Energy of an electromagnetic radiation is a factor of its wavelength and frequency.
  • Gamma rays are ionizing radiations which causes ionization of gas molecules.

Learn more:

Radiation brainly.com/question/10726711

#learnwithBrainly

4 0
3 years ago
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