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OLga [1]
3 years ago
9

What is the atomic number of a sodium atom that has 11 protons and 12 neutrons?

Chemistry
1 answer:
galben [10]3 years ago
3 0
Answer should be 23.
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The pH indicators to be used are Phenolphthalein, Red cabbage, Bromthymol blue and Congo red.

<h3>What are pH indicators?</h3>

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Learn more about pH indicators at: brainly.com/question/13779537

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