Problem Analysis:
The worksheet is about classifying elements into three categories:
metals,
nonmetals, and
metalloids. The periodic table provided in the worksheet is partially colored to help identify these categories. Here's how to solve the problem step by step:
---
Step 1: Identify the Three Types of Elements
The worksheet provides descriptions for each type of element:
1.
Metals: Hard, shiny elements that conduct heat and electricity.
2.
Nonmetals: Poor conductors of heat and electricity.
3.
Metalloids: Have some properties of metals and some of nonmetals.
These are the key characteristics we will use to classify elements.
---
Step 2: Analyze the Periodic Table
The periodic table in the worksheet is color-coded:
-
Blue squares: Metals
-
Pink squares: Nonmetals
-
Purple squares: Metalloids
Using this color-coding:
-
Metals are on the left side of the periodic table (blue squares).
-
Nonmetals are on the right side of the periodic table (pink squares).
-
Metalloids are along the zigzag line between metals and nonmetals (purple squares).
---
Step 3: Classify the Given Elements
The worksheet asks to classify the following elements as
metals,
nonmetals, or
metalloids:
1. Sodium (Na)
2. Iodine (I)
3. Silicon (Si)
4. Zinc (Zn)
5. Krypton (Kr)
6. Barium (Ba)
7. Antimony (Sb)
8. Radium (Ra)
#### Classification Based on the Periodic Table:
1.
Sodium (Na):
- Position: Group 1, Period 3 (left side of the periodic table).
- Category:
Metal (blue square).
2.
Iodine (I):
- Position: Group 17, Period 5 (right side of the periodic table).
- Category:
Nonmetal (pink square).
3.
Silicon (Si):
- Position: Group 14, Period 3 (along the zigzag line).
- Category:
Metalloid (purple square).
4.
Zinc (Zn):
- Position: Group 12, Period 4 (left side of the periodic table).
- Category:
Metal (blue square).
5.
Krypton (Kr):
- Position: Group 18, Period 4 (right side of the periodic table).
- Category:
Nonmetal (pink square).
6.
Barium (Ba):
- Position: Group 2, Period 6 (left side of the periodic table).
- Category:
Metal (blue square).
7.
Antimony (Sb):
- Position: Group 15, Period 5 (along the zigzag line).
- Category:
Metalloid (purple square).
8.
Radium (Ra):
- Position: Group 2, Period 7 (left side of the periodic table).
- Category:
Metal (blue square).
---
Final Answer:
Classify the elements as follows:
1. Sodium (Na):
Metal
2. Iodine (I):
Nonmetal
3. Silicon (Si):
Metalloid
4. Zinc (Zn):
Metal
5. Krypton (Kr):
Nonmetal
6. Barium (Ba):
Metal
7. Antimony (Sb):
Metalloid
8. Radium (Ra):
Metal
---
Boxed Final Answer:
\[
\boxed{
\begin{array}{ll}
1) \text{Sodium (Na)} & \text{Metal} \\
2) \text{Iodine (I)} & \text{Nonmetal} \\
3) \text{Silicon (Si)} & \text{Metalloid} \\
4) \text{Zinc (Zn)} & \text{Metal} \\
5) \text{Krypton (Kr)} & \text{Nonmetal} \\
6) \text{Barium (Ba)} & \text{Metal} \\
7) \text{Antimony (Sb)} & \text{Metalloid} \\
8) \text{Radium (Ra)} & \text{Metal} \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of metals nonmetals metalloids worksheet.
