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leonid [27]
3 years ago
15

What can be concluded about the atom from knowing that oxygen 18 has an atomic number of 8?

Chemistry
2 answers:
Vinvika [58]3 years ago
7 0
<span>The atomic number of a neutral atom is equal to the number of protons and the number of electrons of the atom. The atomic weight meanwhile is equal to the sum of the number of protons and number of neutrons.Hence we can say that the number of protons is 8 and the number of neutrons is 10. </span>
RSB [31]3 years ago
5 0

hi............................

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What is the chemical formula for sodium sulfate?
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Hello!

When finding the chemical formula of a compound, we will need to find the charges of each element/bond.

Looking at our period table, sodium has a +1 charge, written as Na 1+, and sulfate has a charge of -2, and it is written as SO4 2-.

Now, we need to make the charges equivalent. To do this, we need to "criss-cross" the charges. This means that sodium will need to additional atoms to make the charges equal, and sulfate will need one.

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3 years ago
Which activity might help to increase the validity of this experiment?
MArishka [77]
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2 years ago
What is the mass percent of nitrogen in ammonium carbonate, (NH4)2CO3?
Margaret [11]

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6 0
2 years ago
A reaction of 17.0 g of ammonia with 26.6 g of chlorine gas
Elena-2011 [213]

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Answer:

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2 years ago
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