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Are chromium, and copper isotopes?

Answer 1

Jeremiah Adams

Why, no they are different elements........

For copper #Z=29#, and chromium #Z=24#. So what does #Z# mean?

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Answer 2

Jeremiah Adams

Chemical elements, such as copper and chromium, are distinguished by their distinct atomic masses, which are the result of differences in the number of neutrons in their nuclei. Different elements can have multiple isotopes. For instance, chromium can have multiple stable isotopes, such as copper-63 and copper-65, and chromium can have multiple isotopes, such as chromium-52, chromium-53, and chromium-54. Isotopes of a given element have the same chemical properties, but can differ in their atomic masses.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.