Free Printable Periodic Table Worksheets - Free Printable

To solve the problems related to the hypothetical periodic table provided, let's analyze each question step by step.

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Hypothetical Periodic Table Analysis

The periodic table in the image is incomplete, but we can infer some information based on the given elements and their positions:

- K: Likely potassium (Group 1, Period 4)
- L: Likely lithium (Group 1, Period 2)
- C: Likely carbon (Group 14, Period 2)
- P: Likely phosphorus (Group 15, Period 3)
- Z: Likely zinc (Group 12, Period 4)
- A: Likely aluminum (Group 13, Period 3)

Using this information, we can proceed to answer the questions.

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Question 1: Which pair of elements has the same number of valence electrons?

#### Solution:
Valence electrons are determined by the group number of an element. Elements in the same group have the same number of valence electrons.

- K (potassium): Group 1 → 1 valence electron
- L (lithium): Group 1 → 1 valence electron
- C (carbon): Group 14 → 4 valence electrons
- P (phosphorus): Group 15 → 5 valence electrons
- Z (zinc): Group 12 → 2 valence electrons
- A (aluminum): Group 13 → 3 valence electrons

From the above, K and L are both in Group 1 and thus have the same number of valence electrons (1).

#### Answer:
\[
\boxed{K \text{ and } L}
\]

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Question 2: Which pair of metals are in the same period?

#### Solution:
Metals are generally found on the left side of the periodic table. The periods are horizontal rows.

- K (potassium): Period 4
- L (lithium): Period 2
- C (carbon): Period 2 (nonmetal)
- P (phosphorus): Period 3 (nonmetal)
- Z (zinc): Period 4
- A (aluminum): Period 3

The metals in the same period are K (Period 4) and Z (Period 4).

#### Answer:
\[
\boxed{K \text{ and } Z}
\]

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Question 3: Which element has the smallest atomic number?

#### Solution:
The atomic number increases from left to right and from top to bottom in the periodic table. The element in the top-left corner generally has the smallest atomic number.

- L (lithium): Group 1, Period 2 → Likely the smallest atomic number.
- K (potassium): Group 1, Period 4 → Larger atomic number than lithium.
- C (carbon): Group 14, Period 2 → Larger atomic number than lithium.
- P (phosphorus): Group 15, Period 3 → Larger atomic number than lithium.
- Z (zinc): Group 12, Period 4 → Larger atomic number than lithium.
- A (aluminum): Group 13, Period 3 → Larger atomic number than lithium.

Thus, L (lithium) has the smallest atomic number.

#### Answer:
\[
\boxed{L}
\]

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Question 4: Which elements are metals?

#### Solution:
Metals are typically found on the left side of the periodic table, excluding the noble gases.

- K (potassium): Metal
- L (lithium): Metal
- C (carbon): Nonmetal
- P (phosphorus): Nonmetal
- Z (zinc): Metal
- A (aluminum): Metal

The metals are K, L, Z, and A.

#### Answer:
\[
\boxed{K, L, Z, A}
\]

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Question 5: Which elements are nonmetals?

#### Solution:
Nonmetals are generally found on the right side of the periodic table, excluding the noble gases.

- K (potassium): Metal
- L (lithium): Metal
- C (carbon): Nonmetal
- P (phosphorus): Nonmetal
- Z (zinc): Metal
- A (aluminum): Metal

The nonmetals are C and P.

#### Answer:
\[
\boxed{C, P}
\]

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Question 6: If the atomic number of the element P is 41, what is the atomic number of the element P?

#### Solution:
This question is a bit confusing because it asks for the atomic number of "element P" when it is already stated that the atomic number of "element P" is 41. Assuming there is no typo, the atomic number of "element P" is simply 41.

#### Answer:
\[
\boxed{41}
\]

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Final Answers:

1. \(\boxed{K \text{ and } L}\)
2. \(\boxed{K \text{ and } Z}\)
3. \(\boxed{L}\)
4. \(\boxed{K, L, Z, A}\)
5. \(\boxed{C, P}\)
6. \(\boxed{41}\)