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3 years ago

When atoms and molecules start getting jumpy

Chemistry

1 answer:

lbvjy [14]3 years ago

6 0

Answer:

The following are the explanation of the true statement:

Explanation:

Compounds are sets of atoms which have been chemically related. So, if molecules begin to jump.
It can generate lumpy steaks as well as potatoes. In a certain number of protons and electrons were also found in atoms.
Electrons are organized into shells or activity levels, that have only certain capabilities if one is complete, electrodes have had to be placed in the next shell.

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A baseball player hits a ball. Which is the best description of the energy of the ball as it flies over the pitcher’s head?

Elan Coil [88]

The right option is; b. mechanical

Mechanical energy is the best description of the energy of the ball as it flies over the pitcher’s head.

Mechanical energy is the energy that an object acquires due to its position or due to its motion. From the question, the baseball player has chemical potential energy (stored as food) which is transformed into work. As the baseball player hits the ball, there is energy exchange in which the ball acquires energy to perform its work. The energy obtained by the ball upon which work is done is called mechanical energy.

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3 years ago

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8SnCl4<br> How many atoms

Veronika [31]

Answer:

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Explanation:

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3 years ago

7. (04wP2-5)Elements with atomic number 21 to 30 are d-block elements.

Katyanochek1 [597]

Answer :

(a) zn

Explanation:

(b) a ligand is an ion or molecule that binds to the central metal atom to form a cordinate complex.
(c)

<h3> above</h3>

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3 years ago

Using the Bohr model, determine the energy, in joules, necessary to ionize a ground-state hydrogen atom. Show your calculations.

lord [1]

Answer:

The energy required to ionize the ground-state hydrogen atom is 2.18 x 10^-18 J or 13.6 eV.

Explanation:

To find the energy required to ionize ground-state hydrogen atom first we calculate the wavelength of photon required for this operation.

It is given by Bohr's Theory as:

1/λ = Rh (1/n1² - 1/n2²)

where,

λ = wavelength of photon

n1 = initial state = 1 (ground-state of hydrogen)

n2 = final state = ∞ (since, electron goes far away from atom after ionization)

Rh = Rhydberg's Constant = 1.097 x 10^7 /m

Therefore,

1/λ = (1.097 x 10^7 /m)(1/1² - 1/∞²)

λ = 9.115 x 10^-8 m = 91.15 nm

Now, for energy (E) we know that:

E = hc/λ

where,

h = Plank's Constant = 6.625 x 10^-34 J.s

c = speed of light = 3 x 10^8 m/s

Therefore,

E = (6.625 x 10^-34 J.s)(3 x 10^8 m/s)/(9.115 x 10^-8 m)

E = (2.18 x 10^-18 J)(1 eV/1.6 x 10^-19 J)

5 0

3 years ago

HELPP PLEASEEE I REALLY NEED IT!!!!!!!!

SSSSS [86.1K]

Answer:

Americium is: [Rn]5f^7s^2

Bismuth is: [Xe]6s^24f^145d^106p^3

Tin is: [Kr]4d^105s^25p^2

Vanadium is: [Ar]3d^34s^2

Aluminum is [Ne]3s^23p^1

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3 years ago