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3 years ago

To explain the photoelectric effect, Albert Einstein linked the photoelectric effect to an idea from which scientist?

2 answers:

5 0

Based upon Max Planck's theory of black-body radiation, Einstein theorized that the energy in each quantum of light was equal to the frequency multiplied by a constant, later called Planck's constant. A photon above a threshold frequency has the required energy to eject a single electron, creating the observed effect.

andriy [413]3 years ago

4 0

Answer:

Max Planck

Explanation:

According to Max Planck light energy is quantized and is released or absorbed as an integer multiple of a small packet of energy which he called a photon. Therefore the energy stored in a photon of light is given by the equation,

E = hV

where E is the energy of the photon, v is the frequency of light and h is the Planck’s constant.

Einstein used the concept of light behaves as photons, discrete energy packets instead of waves to explain the photoelectric effect.

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3 years ago

How many moles of iron would be needed to react with 3.82 moles of oxygen

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3 years ago

You are given a cube of lead that is 1.000 cm on each side. The density of lead is 11.35. How many atoms of lead are in the samp

aliya0001 [1]

11.35 g atoms of lead are in the sample.

What does density mean?

The density of an area refers to the quantity of things—which may include people, animals, plants, or objects—there are in it.
Divide the number of objects by the area's measurement to determine density.
A country's population density is calculated by dividing its total population by its area, expressed in square kilometers or miles.

We can calculate the volume of the cube by cubing the side of the cube.

Volume of cube = ( 1.000 cm)³

= 1.000 cm³

We can now determine the amount of lead in the cube by multiplying by the density. Because we know we have a 1.000 cubic centimeter and that lead has a density of 11.35 grams per cubic centimeter, we have 11.35 grams of lead.

= ( 1.000 cm³) ( 11.35 $\frac{g}{cm^{3} }$ )

= 11.35 g

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1 year ago

What is the bonding continuum?

Deffense [45]

Bonding Continuum. Trends in the Periodic Table and Bonding. Ionic Bonds. Ionic bonds are formed between atoms with a large difference in electronegativities. ... The ionic bond is the electrostatic force of attraction between a positive and negative ion.

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3 years ago

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In general, ionic compounds are hard solids at ambient temperatures but they shatter fairly easily. How do these two properties

lord [1]

Ionic or electrovalent compounds support the theory of ionic bonding because they are compounds composed of charged particles formed when an atom gains or loses electrons.

Electrovalent compounds posses:

High boiling and melting points.
Form crystals.

<h3>What is ionic bonding?</h3>

This is the transfer of valence electrons from metals to non metals to form ionic compounds. It also refers to a chemical bond formed between two ions with opposite charges.

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2 years ago