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As you go down the Group 2 (alkaline earth elements) elements they become more and more reactive.

i.e. H2O+Ca=Ca(OH)2+H2 there is more hydrogen (g) created and at a faster pace than H2O+Mg=Mg(OH)2+H2.

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Does the reactivity of elements in group 2 increase going up or down?

The reactivity is increasing goinng down in the group.


How does reactivity change from top to bottom in group1 does the same pattern hold in group2?

Reactivity generally increases from top to bottom in Group 1 elements due to the decrease in ionization energy. In contrast, Group 2 elements do not show the same reactivity trend as Group 1; reactivity generally increases from top to bottom due to the decreasing ionization energy, but other factors such as atomic size and electron shielding can also influence the reactivity patterns in Group 2.


Are the elements in group 18 reactive?

all the elements of group 18 are Nobel gases. They are very very less reactive.


What is the reactivity of group 7?

The reactivity of group 17 elements differ as you move down the periods. Group 17 elements are missing 1 electron from their valance shell making them highly votile and reactive.I'll try not to make this confusing:1. As elements get bigger, they have a higher level of reactivity. (More "pull" needed from protons in the nucleus in order to keep valance shell electrons in orbit).2. As you move from left to right in the groups, you have a higher level of reactivity.3. Groups 1 and 17 have the highest levels of reactivity (except hydrogen in group 1) because they are away by only 1 valence electron.


Describe the Reactivity of group 1 element varies with increasing atomic number?

The reactivity of Group 1 elements increases with increasing atomic number. This is due to the fact that as atomic number increases, the outermost electron is farther away from the nucleus, making it easier to lose and therefore more reactive. Additionally, the size of the atom increases down the group, leading to a weaker attraction between the outermost electron and the nucleus, further enhancing reactivity.

Related Questions

What is a list of elements arranged in descending order of chemical activity?

The list would include elements such as fluorine, chlorine, bromine, iodine, and astatine. These elements belong to the halogen group and exhibit decreasing chemical reactivity from top to bottom due to increasing atomic size and decreasing electronegativity.


Does the reactivity of elements in group 2 increase going up or down?

The reactivity is increasing goinng down in the group.


How does reactivity change from top to bottom in group1 does the same pattern hold in group2?

Reactivity generally increases from top to bottom in Group 1 elements due to the decrease in ionization energy. In contrast, Group 2 elements do not show the same reactivity trend as Group 1; reactivity generally increases from top to bottom due to the decreasing ionization energy, but other factors such as atomic size and electron shielding can also influence the reactivity patterns in Group 2.


How does the reactivity of group 1 metals change as you go down group 1?

The reactivity increase down in the group.


As the elements in Group 17 are considered in order of increasing atomic number the chemical reactivity of each successive element decreases increases or remains the same?

As you move down Group 17 (halogens) from top to bottom, the reactivity decreases. This is due to the increasing atomic size and electron shielding, making it more difficult for the outer electron to be gained by the lower elements in the group, thus decreasing their reactivity.


Are the elements in group 18 reactive?

all the elements of group 18 are Nobel gases. They are very very less reactive.


What does the order of discovery suggest about the trend in reactivity of the elements in group 0?

it is less common


What is the reactivity of group 7?

The reactivity of group 17 elements differ as you move down the periods. Group 17 elements are missing 1 electron from their valance shell making them highly votile and reactive.I'll try not to make this confusing:1. As elements get bigger, they have a higher level of reactivity. (More "pull" needed from protons in the nucleus in order to keep valance shell electrons in orbit).2. As you move from left to right in the groups, you have a higher level of reactivity.3. Groups 1 and 17 have the highest levels of reactivity (except hydrogen in group 1) because they are away by only 1 valence electron.


How do elements change going down the periodic table?

Down a group, the atomic number generally increases, size increases, ionization energy decreases, reactivity increases.


What happens to the reactivity of elements in group a as atomic number increase across a period?

they do becaused they want to do it


Describe the Reactivity of group 1 element varies with increasing atomic number?

The reactivity of Group 1 elements increases with increasing atomic number. This is due to the fact that as atomic number increases, the outermost electron is farther away from the nucleus, making it easier to lose and therefore more reactive. Additionally, the size of the atom increases down the group, leading to a weaker attraction between the outermost electron and the nucleus, further enhancing reactivity.


Why the trend in reactivity of group 7 elemnts is the opposite to the trend in group 1?

The trend in reactivity of Group 7 elements (halogens) is opposite to that of Group 1 elements (alkali metals) due to their differing electron configurations and tendencies to gain or lose electrons. Group 1 elements have one electron in their outer shell and readily lose it to achieve a stable electron configuration, making them highly reactive. In contrast, Group 7 elements have seven electrons in their outer shell and tend to gain an electron to complete their octet, which makes them more reactive as you move up the group. Therefore, while reactivity increases down Group 1, it increases up Group 7.