Question

test v: write the correct atomic number in each block, then color them according to which group they belong. you may color each group the way you like (use the color guide below the table). 20 pts
the periodic table of elements
color guide:
group | alkali metals | alkaline earth metals | transition metals | lanthanide series | actinide series
color | | | | |
group | post - transition metals | metalloids | non - metals | halogens | noble gases
color | | | | |
test vi: provide which element is being described in each of the following statements.

1. this element is a symbol of status and wealth.
2. this element is used by surgeons in nose lifts and breast implants.
3. this element is used as a component of electric circuits in gadgets & appliances.
4. this element is released by plants as by - product of photosynthesis and is essential to human/animal respiration.
5. this element is essential in making table salt and soap.
6. this element is used in removing stains in clothes.
7. this metal is liquid at room temperature.
8. this metal is known to be the hardest element on the planet.
9. this element is an important composition for rechargeable batteries.
10. this element is a major component in coins/specie.

Explanation:

Step1: Recall element - related knowledge

Based on common knowledge of elements and their uses.

Step2: Analyze each statement

• 46: Gold (Au) is a symbol of status and wealth.
• 47: Silicon (Si) is used in electric - circuit components in gadgets and appliances.
• 48: Oxygen (O) is released by plants as a by - product of photosynthesis and is essential for human/animal respiration.
• 49: Chlorine (Cl) is used in making table salt (NaCl) and soap.
• 50: Sodium (Na) compounds can be used in stain removal.
• 51: Mercury (Hg) is the only metal that is liquid at room temperature.
• 52: Carbon (in the form of diamond) is the hardest element on the planet.
• 53: Lithium (Li) is an important composition for rechargeable batteries.
• 54: Copper (Cu) is a major component in coins.
• 55: Nickel (Ni) is also a major component in some coins.

Answer:

1. Gold (Au)
2. Silicon (Si)
3. Oxygen (O)
4. Chlorine (Cl)
5. Sodium (Na)
6. Mercury (Hg)
7. Carbon (C)
8. Lithium (Li)
9. Copper (Cu)
10. Nickel (Ni)