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H 2
2.1 2A
Li Be
1.0 1.5
13 14 15 16 17
3A 4A 5A 6A 7A
Na Mg
0.9 1.2
K. Co▬▬▬▬▬▬▬182024 28
Rb Sr
2.5
0.8 1.0
Consider the positions of carbon, nitrogen, potassium, and calcium on the periodic table. The atoms of which
element attract electrons most strongly in chemical bonds?
O carbon (C)
O calcium (Ca)
O nitrogen (N)
potassium (K)
13



Answer :

GinnyAnswer
To determine which element attracts electrons most strongly in chemical bonds, we need to consider the concept of electronegativity. Electronegativity is a measure of an atom's ability to attract and hold onto electrons.

Here are the electronegativity values for the given elements:

- Carbon (C): 2.5
- Nitrogen (N): 3.0
- Potassium (K): 0.8
- Calcium (Ca): 1.0

Electronegativity increases across a period from left to right in the periodic table and decreases down a group from top to bottom.

1. Carbon (C):
- Electronegativity: 2.5
- Located in group 14 (4A), period 2.

2. Nitrogen (N):
- Electronegativity: 3.0
- Located in group 15 (5A), period 2.

3. Potassium (K):
- Electronegativity: 0.8
- Located in group 1 (1A), period 4.

4. Calcium (Ca):
- Electronegativity: 1.0
- Located in group 2 (2A), period 4.

Comparing these electronegativity values, nitrogen (N) has the highest value of 3.0. Therefore, nitrogen (N) attracts electrons most strongly in chemical bonds.

Answer:
O nitrogen (N)

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