Explanation: Chemicals in the original manufacturer’s container that have been recently purchased from a supplier will most likely contain hazard information in the form of warnings and pictograms. Older manufacturer’s chemical containers may have alternative labeling schemes that provide essentially the same information as the new labels.
<span>Persamaan setara pada reaksi besi dengan asam klorida membentuk besi (II) klorida dan gas hidrogen
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Answer:
○ Coefficients in chemical equations
Explanation:
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_liyah
Answer:
You know that nitrogen-14 has 7 protons in the nucleus because it is an isotope of nitrogen, which has an atomic number equal to 7 . Because nitrogen-14 is a neutral atom, the number of protons it has in its nucleus must be equal to the number of electrons that surround its nucleus.