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Arisa [49]
2 years ago
10

Psychology is the scientific study of:

Chemistry
1 answer:
LuckyWell [14K]2 years ago
4 0

Answer: its D

Explanation:

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HELP 20 POINTS <br>A photon has a wavelength of 366 nm. What is the frequency of this photon?​
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Answer:

9.  8.2x10¹⁴ Hz

Explanation:

Wavelength λ = 366 nm

Formula: Frequency = C / λ

To find the wavelength in m,

1 nm = 1.0x10⁻⁹ m

So, 366 nm = ?

= 3.66x10⁻⁷ m

Frequency = 3.0x10⁸m.s-1 / 3.66x10⁻⁷ m

                  = 8.2x10¹⁴ s-1

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3 years ago
Sixty-five percent of the mass of bone is a compound called hydroxyapatite. sixty-five percent of the mass of bone is a compound
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True. Its simple how i remeberd was the bone has 650,000 cells and the bone has 65% hydroxyapatite
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2 years ago
Given the following partial (valence-level) electron configurations,<br> (a) identify each element,
Kamila [148]

The arrangement of electrons within an atom is called the electronic configuration and the electrons are filled up according to the energy of the levels as: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f.

<h3>What is the difference between electron configuration and valence electron configuration?</h3>

Electron configuration is the number of electrons that are present in the atom and is repressed through the different sub-shells. So for example, the electron configuration for oxygen is 1s^2 2s^2 2p^4. While the valence electrons only refer to the electrons in the outermost shell of the atom.

<h3>What is a partial orbital diagram?</h3>

A partial orbital diagram shows only the highest energy sublevels being filled. Al (Z = 13) 1s22s22p63s23p1. A condensed electron configuration has the element symbol of the previous noble gas in square brackets. Al has the condensed configuration [Ne]3s23p1.

Learn more about electronic configuration here:

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2 years ago
The mass of an atom of element x is equivalent to the total mass of 7 hydrogen atoms
Sergeu [11.5K]
Hydrogen mass is 1, the atom with mass number 7 is Lithium
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2 years ago
Which describes Ernest Rutherford’s experiment?
inna [77]

The best description of Ernest Rutherford's experiment is letter C. The positively charged particles were fired through a gold foil. Most of these particles went right through, while others bounced back. This experiment led to the discovery of the nucleus.

7 0
2 years ago
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