Question

write two instances where symbols of elements are used​

Answer 1

Answer:

here's it

Explanation:

1) while writing a chemical reaction

2) when listing the elements of periodic table

3) while making a molecular diagram

Answer 2

Answer:

1.Identical content per instance. Create identical copies of recurring layouts that have the exact same content, like nav bars, footers, and sign-up forms. Edit them in one place and see those changes impact every instance of that symbol.

2.Unique content per instance. Create content overrides fields for text, images, or videos in a symbol to reuse symbol layouts while giving each symbol instance unique content.

Explanation:

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