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Elements of the Periodic Table(certification)

Last updated almost 4 years ago

3 questions

Note from the author:

Warm up for elements of the periodic table

1

What does the 87 stand for?

1

What is the total number of neutrons for an atom of calcium.

1

Examine the block from the periodic table for the element nitrogen, chemical symbol N. Using your knowledge of the periodic table, which of these statements is correct about nitrogen?