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How many atoms of phosphorus does magnesium phosphide contain?
Magnesium phosphide (Mg3P2) contains 2 atoms of phosphorus.
Is toothpaste 100 percent fluoride?
No, toothpaste is not 100 percent fluoride. Toothpaste usually contains fluoride as one of its active ingredients, but it also contains other ingredients such as abrasives, foaming agents, humectants, and flavoring agents.
Why does toothpaste clean silver jewelry?
Toothpaste contains mild abrasives that can help remove tarnish and dirt from silver jewelry. It is effective in removing surface stains and restoring shine to the jewelry. However, it is important to use non-whitening toothpaste and to avoid scrubbing too vigorously to prevent damage to the jewelry.
What are the acids and alkalis in toothpaste?
Acids commonly found in toothpaste include citric acid, phosphoric acid, and tartaric acid. Alkalis, such as sodium hydroxide or potassium hydroxide, are also present in some toothpaste formulations to help balance acidity and maintain pH levels for optimal oral health.
Is phosphorus a paramagnetic?
Yes, phosphorus is paramagnetic. This means that it contains unpaired electrons in its outer shell, which causes it to be attracted to a magnetic field.
