Which ions is not responsible for causing hardness in water?
1 answer:
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<span>What is the mass number of an atom with 7 protons, 8 neutrons, and 7 electrons?
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A Nitrogen atom with 7 protons<span> and </span>8 neutrons<span> has a </span>mass number<span> of 15
</span><span>
That Should Be The Correct Answer :D
Hope I Helped
-Nullgaming650
</span>
</span>
A Nitrogen atom with 7 protons<span> and </span>8 neutrons<span> has a </span>mass number<span> of 15
</span><span>
That Should Be The Correct Answer :D
Hope I Helped
-Nullgaming650
</span>