3 years ago

An element has 13 protons in its nucleus. What is its atomic number?

Chemistry

2 answers:

Dafna11 [192]3 years ago

6 0

Answer:

The answer is 13.

Explanation:

In an element, proton number is also define as atomic number. So if the element has 13 protons, it's atomic number will be 13.

-BARSIC- [3]3 years ago

6 0

Atom has 13 protons

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The value of Ksp for PbCl2 is 1.6 ×10-5. What is the lowest concentration of Cl-(aq) that would be needed to begin precipitation

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Answer:

0.04 M is the lowest concentration of chloride ions that would be needed to begin precipitation.

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4 years ago

How many moles of O2 would be needed to produce 3.2 moles Fe2O3?

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0.533 mol O2

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