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OlgaM077 [116]
3 years ago
13

The human body uses water in many of its natural processes. water is made of two hydrogen atoms bonded to an oxygen atom. what a

re the three basic parts that make up all atoms?
Physics
1 answer:
Yuri [45]3 years ago
5 0
1 ; Protons
2 ; Neutrons
3 ; Electrons
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If an unknown element has a mass of 17 and contains 6 neutrons, how many protons does it have ?
lbvjy [14]

The mass number is the total number of protons and neutrons within an atom and since we know that the unknown element has 6 neutrons, we can simply subtract the number of neutrons from the mass number to get the number of protons.

17 - 6 = 11

There are 11 protons in this unknown element.


Extra:

The number of protons (+) and electrons (-) are equal in a neutral atom so since you know that there are 11 protons you also know that there are 11 electrons. On the periodic table, the element with 11 electrons is Na or Sodium.


Hope this helps! :)

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3 years ago
What is solar energy I need lots of detail
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Solar energy is that energy remaining from the sun that we store in solar panels. This energy is produced because of its nucleus.
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Aligned magnetic domains are only present in which of the following?
butalik [34]

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In the photoelectric effect, the greater the frequency of the illuminating light, the greater the:_______
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The ejection of electrons form a metal surface when the metal surface is exposed to a monochromatic electromagnetic wave of sufficiently short wavelength or higher frequency (or equivalently, above a threshold frequency),  which leads to the enough energy of the wave to incident and get absorbed to the exposed surface emits electrons. This phenomenon is known as the photoelectric effect or photo-emission.

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