Final Answer:
The elements in period 5 are: Rb, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Te, I, Xe.
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Explanation:
- Period 5 means the fifth row of the periodic table.
- Start from the left side of row 5 — that’s Rubidium (Rb).
- Move right across the row, one element at a time.
- You’ll go through all the transition metals like Yttrium (Y), Zirconium (Zr), and so on.
- Keep going until you reach the far right — that’s Xenon (Xe).
- All those elements together make up period 5.
- It’s like reading a line in a book — you start at the beginning and go to the end.
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Teach the Topic:
Periods are the horizontal rows in the periodic table. Each row is called a “period,” and they go from top to bottom as period 1, period 2, etc. Elements in the same period have the same number of electron shells. For example, period 2 has elements like Lithium (Li) to Neon (Ne) — all of them have electrons filling up their second shell. Think of it like shelves in a bookcase — each shelf (period) holds different books (elements), but they’re all on the same level.
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Practice Task:
List all the elements in period 3.
Parent Tip: Review the logic above to help your child master the concept of periodic trends worksheet.
