The group of elements that easily forms cations is B. Li, Na, K.

Here's why:

Cations are positively charged ions that are formed when an atom loses one or more of its valence electrons.

Group 1 elements such as Lithium (Li), Sodium (Na), and Potassium (K) have one electron in their outermost shell. This makes it easier for them to lose that one electron to achieve a stable electron configuration, thus forming a cation.

On the other hand, elements like F, Cl, Br (Group 7 elements) are more likely to gain an electron to achieve a stable electron configuration, thus forming anions (negatively charged ions).

Similarly, O, S, Se (Group 6 elements) and N, P, As (Group 5 elements) are also more likely to gain electrons to achieve a stable electron configuration, thus forming anions.

Therefore, the correct answer is B. Li, Na, K.

Question

The group of elements that easily forms cations is B. Li, Na, K.

Here's why:

Cations are positively charged ions that are formed when an atom loses one or more of its valence electrons.

Group 1 elements such as Lithium (Li), Sodium (Na), and Potassium (K) have one electron in their outermost shell. This makes it easier for them to lose that one electron to achieve a stable electron configuration, thus forming a cation.

On the other hand, elements like F, Cl, Br (Group 7 elements) are more likely to gain an electron to achieve a stable electron configuration, thus forming anions (negatively charged ions).

Similarly, O, S, Se (Group 6 elements) and N, P, As (Group 5 elements) are also more likely to gain electrons to achieve a stable electron configuration, thus forming anions.

Therefore, the correct answer is B. Li, Na, K.

Knowee AI · Accepted Answer

The group of elements that easily forms cations is B. Li, Na, K.

Here's why:

Cations are positively charged ions that are formed when an atom loses one or more of its valence electrons.

Group 1 elements such as Lithium (Li), Sodium (Na), and Potassium (K) have one electron in their outermost shell. This makes it easier for them to lose that one electron to achieve a stable electron configuration, thus forming a cation.

On the other hand, elements like F, Cl, Br (Group 7 elements) are more likely to gain an electron to achieve a stable electron configuration, thus forming anions (negatively charged ions).

Similarly, O, S, Se (Group 6 elements) and N, P, As (Group 5 elements) are also more likely to gain electrons to achieve a stable electron configuration, thus forming anions.

Therefore, the correct answer is B. Li, Na, K.

rom the following which group of elements easily forms cation?Only one correct answerA.F, Cl, BrB.Li, Na, KC.O, S, SeD.N, P, As

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