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Crazy boy [7]
3 years ago
6

Which subatomic particles are located in MOST of the space within an atom?

Chemistry
1 answer:
mote1985 [20]3 years ago
5 0
The answer is particels of nuclis
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Distinguish between kinetic energy<br> and poteintial energy-
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In order to predict whether or not a single replacement reaction takes place you need to consult a chart that shows the
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A nonmetal
mars1129 [50]

^{16}_{\phantom{1}8}\text{O}.

Oxygen-16 is the atom in question.

  • Atomic number: 8.
  • Mass number: 16.
<h3>Explanation</h3>

The superscript of the ion says "2-". That means that the ion here carries a charge of -2.

  • The charge is negative, meaning that there are more electrons (which are negative) than protons (which are positive) in that ion.
  • The size of the charge is 2. There are two more electrons than protons in that ion.

There are 10 electrons in total in that ion. There are two more electrons than protons. That means that there are 10 - 2 = 8 protons in that ion.

The atomic number of an atom is the same as its number of protons. The atomic number of X is 8.

The atomic number determines the element. Atomic number 8 is oxygen. Thus element X is oxygen.

Mass number is the sum of number of protons and neutrons in an atom. 8 + 8 = 16 for this atom.

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3 years ago
Can you identify a chemical only by knowing its physical properties?
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Any characteristic that can be determined without changing the substance's chemical identity. chemical property: Any characteristic that can be determined only by changing a substance's molecular structure

Explanation:

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2 years ago
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