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KonstantinChe [14]
4 years ago
5

Which particles make up to the nucleus of an atmon?

Chemistry
1 answer:
vazorg [7]4 years ago
5 0

The nucleus of an atom is made up of <u>protons and neutrons</u> (two types of baryons) joined by the nuclear force.

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The diagram shows a certain kind of cell with all of its major parts labeled.
Mashcka [7]

Answer:

I think it's the last one

D. The cell is prokaryotic because it does not have any membrane-bound organelles.

Explanation:

The difference between eukaryotic and prokaryotic cells are that the eukaryotic cells have a nucleus and they have membrane-bound organelles, and prokaryotic cells don't.

Hope this Helps!

5 0
3 years ago
Which of the following statements is BEST describes an abusive relationship? A. An abusive partner will admit to the problem and
Ray Of Light [21]

The answer would be:

C. The abuse will happen again regardless of how sorry the abuser seems to feel.

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8 0
3 years ago
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HelpUsing a 2-cm-thick piece of cardboard over a radiation source would be mosteffective for protecting against which type of ra
Lisa [10]
It would protect best against C) Alpha radiation, as Beta radiation is stopped by lighter metals such as aluminium, and Gamma radiation can only be stopped by heavier metals such as lead.
3 0
4 years ago
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One of the emission lines that provides the green color in fireworks, which com s from barium salts, has a wavelength of 505nm.
PSYCHO15rus [73]

Explanation:

(a)

The relation between frequency and wavelength is shown below as:

c=frequency\times Wavelength&#10;

c is the speed of light having value 3\times 10^8\ m/s

Given, Wavelength = 505 nm

Also, 1 m = 10^{-9} nm

So,  

Wavelength = 505\times 10^{-9} m

Thus, Frequency is:

Frequency=\frac{c}{Wavelength}

Frequency=\frac{3\times 10^8}{505\times 10^{-9}}\ Hz

Frequency=5.94\times 10^{14}\ Hz

(b)

Also, E=\frac {h\times c}{\lambda}

Where,  

h is Plank's constant having value 6.626\times 10^{-34}\ Js

c is the speed of light having value 3\times 10^8\ m/s

So,

E=\frac{6.626\times 10^{-34}\times 3\times 10^8}{505\times 10^{-9}}\ J

E=\frac{10^{-26}\times \:19.878}{10^{-9}\times \:505}\ J

E=3.94\times 10^{-19}\ J

(c)

Electromagnetic spectrum is range of the frequencies and their respective wavelengths of the various type of the electromagnetic radiation.

In order of the increasing frequency and the photon energy and the decreasing wavelength the spectrum are:  

Red , Orange, Yellow, Green, Blue, Indigo, Violet

Increasing wavelength is the opposite trend. Thus, The longest visible wavelength is red and the shortest is violet.

6 0
3 years ago
What is the net ionic charge of calcium ion
dezoksy [38]
Explanation: Ca generally loses two electrons from its outer shell to form a Ca2+ ion.
Hope this helped!!
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4 years ago
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