Question

what are the elements and in background tab​

Answer 1

Answer:

Each element has unique settings and uses, but all are created and modified in the same way. Additionally, many elements share some common properties, such as borders, backgrounds, and shadows. When multiple elements are selected, you can arrange them relative to one another using the Format tab.

Explanation:

Answer 2

Halogens act as strong oxidising agents because they have high tendency to accept electron, i.e., they have high electron affinity values. The reduction potentials are high ( positive ) and decreased from FF to I .

The Group 2 alkaline earth metals include Beryllium, Magnesium, Calcium, Barium, Strontium and Radium and are soft, silver metals that are less metallic in character than the Group 1 Alkali Metals. Although many characteristics are common throughout the group, the heavier metals such as Ca, Sr, Ba, and Ra are almost as reactive as the Group 1 Alkali Metals. All the elements in Group 2 have two electrons in their valence shells, giving them an oxidation state of +2.