How do find elemental masses?

Answer 1

How else but by measurement....?

Practically, to find the atomic mass of any element, you consult your Periodic Table; and there should be one beside you now if you are doing your chemistry homework. In a chemistry course AT ANY LEVEL, you should always have access to a Periodic Table; certainly you should have such access in an examination.

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Answer 2

Olivia Anton

Elemental masses can be found by referring to the periodic table. Each element on the periodic table has a specific atomic mass listed beneath its symbol. This atomic mass represents the weighted average of the masses of all isotopes of that element, taking into account their relative abundances. The unit of atomic mass is the atomic mass unit (amu) or unified atomic mass unit (u), which is approximately equal to the mass of a proton or neutron.

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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.