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Because they are very reactive.
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Why are group 7 and group 1 elements usually found as compounds?
These elements are highly unstable because of for group1- IP is low and for group 7 electron affinity is high
Why do elements from group 1 and 7 exist mostly as compounds?
Because
Why are group 1 and group 7 found as compounds in the periodic table?
they are found as element because in group 1 they react
Why are Group 1 and Group 2 elements found in many compounds but not Group 18 elements?
group 18 has completely filled electronic configuration and hence are stable. group 1 and group 2 have 1 and 2 electrons respectively in their valence shells and needs to lose these to attain completely filled electronic configuration. hence they are reactive.
Why are elements of group 1 alkali metals and group 7 halogens used as compounds and not as the free elements?
because god made it that way.
Why are group 7 and group 1 elements usually found as compounds?
These elements are highly unstable because of for group1- IP is low and for group 7 electron affinity is high
Why are group1 and 7 found as compounds?
Group 1 elements have very low electronegativies and group 7 elements have very high electronegativities, so that both are reactive with almost every other element, the group 1 elements by donating electrons and the group 7 elements by accepting electrons.
Which group on the Periodic Table of the Elements contains elements that react with oxygen to form compounds with the general formula X2O?
group 1 elements.
Are the compounds of group 1 elements all soluble in water?
yes
Why do elements from group 1 and 7 exist mostly as compounds?
Because
Why are group 1 and group 7 found as compounds in the periodic table?
they are found as element because in group 1 they react
Why do elements from group 1 form compounds easily?
The elements in group 1 combine easily with other elements to form compounds because they are trying to get rid of their extra electrons. That is why, for example, potassium will react strongly in water. Hope this helps.
Why are Group 1 and Group 2 elements found in many compounds but not Group 18 elements?
group 18 has completely filled electronic configuration and hence are stable. group 1 and group 2 have 1 and 2 electrons respectively in their valence shells and needs to lose these to attain completely filled electronic configuration. hence they are reactive.
Why are elements of group 1 alkali metals and group 7 halogens used as compounds and not as the free elements?
because god made it that way.
What is produced when group 1 elements react with nonmetal elements?
Usually salts, from the metallic elements in group 1. However, note that hydrogen is also in group 1 and can not form salts, although it forms many other kinds of compounds.
Elements on opposite sides of the periodic table?
Elements on opposite sides of the periodic table, for example Groups 1 and 17, form ionic compounds. Examples include LiCl, NaCl, KI, and RbBr. The elements in Group 1 are the alkali metals, and the elements in Group 17 are the halogens, which are nonmetals.
Why are group 1 elements univalent?
univalent metals, which form colourless ionic compounds
