Which of the following pairs of elements would have the most similar chemical properties?

A.Boron (B) and Fluorine (F) B.Hydrogen (H) and Helium (He) C.Beryllium (Be) and Magnesium (Mg) D.Carbon (C) and Oxygen (O)

Damn these from like 11 years ago these people prob have family’s now and don’t even remeber doing this ni more

I have tried to answer this a couple times but cant figure out what the answer is. :(

To determine which pairs of elements would have the most similar chemical properties, we need to consider their positions in the periodic table and their electronic configurations.

A. Boron (B) and Fluorine (F):
Boron (B) is located in Group 13, and Fluorine (F) is in Group 17 of the periodic table. These elements are not in the same group, so their chemical properties are not likely to be very similar. The valence electron configuration for Boron is 2s^22p^1, while Fluorine's configuration is 2s^22p^5, so there is a significant difference in electron distribution.

B. Hydrogen (H) and Helium (He):
Hydrogen (H) and Helium (He) are both located in Group 1 of the periodic table. They share similar chemical properties as they both have one valence electron and tend to lose it to achieve stability. However, Helium is an exception as it has a full valence shell with two electrons, making it more stable than Hydrogen.

C. Beryllium (Be) and Magnesium (Mg):
Beryllium (Be) is in Group 2, while Magnesium (Mg) is also in Group 2 of the periodic table. The elements in Group 2 have two valence electrons and tend to lose both of them to achieve stability. Therefore, Beryllium and Magnesium are expected to have similar chemical properties.

D. Carbon (C) and Oxygen (O):
Carbon (C) is in Group 14, while Oxygen (O) is in Group 16 of the periodic table. These elements are not in the same group, so their chemical properties are not likely to be very similar. The valence electron configuration for Carbon is 2s^22p^2, while Oxygen's configuration is 2s^22p^4, so there is a significant difference in electron distribution.

In conclusion, the pair of elements with the most similar chemical properties is C.Beryllium (Be) and Magnesium (Mg) as they are in the same group and have similar valence electron configurations.

C. Both are in periodic table column II

They have two valence electrons