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DaniilM [7]
3 years ago
8

Lithium peroxide chemical formula ?

Chemistry
2 answers:
Andreyy893 years ago
7 0
<span>Li2O2 is the formula

</span>
lianna [129]3 years ago
5 0
<span>Li2O2 is the lithium peroxide chemical formula </span>
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Answer:

now this area isn't my expertise so take this with a grain of salt but I believe its about 91125 g

Explanation:

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How many of each subatomic particle type does each of the following atoms contain: a. 90_Ag b. barium-132
Kryger [21]

<u>Answer:</u> Silver has 47 electrons, 47 protons and 43 neutrons. Barium has 56 electrons, 56 protons and 76 neutrons.

<u>Explanation:</u>

Atomic number is defined as the number of protons or electrons that are present in a neutral atom.

Atomic number = number of protons = number of electrons

Mass number is defined as the sum of number of protons and neutrons that are present in an atom.

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Atomic number = 47

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Atomic number = Number of protons = Number of electrons = 47

Number of neutrons = Mass number - Atomic number = 90 - 47 = 43

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Atomic number = 56

Mass number = 132

Atomic number = Number of protons = Number of electrons = 56

Number of neutrons = Mass number - Atomic number = 132 - 56 = 76

Hence, barium has 56 electrons, 56 protons and 76 neutrons.

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