Table of Contents
- 1 How does the reactivity of group 1 change?
- 2 How does the reactivity of metals change down the group?
- 3 How does the reactivity of metals changes in a period and a group?
- 4 How does the reactivity down group 1 and 7 differ?
- 5 Does reactivity increase down a group 1?
- 6 Why does reactivity increase down group 1 but decrease down Group 7?
- 7 Which element in group 1 is more reactive lithium or francium?
- 8 Why does metal reactivity increase across a period?
How does the reactivity of group 1 change?
The reactivity of Group 1 elements increases as you go down the group because: the outer electron gets further from the nucleus as you go down the group. the attraction between the nucleus and outer electron gets weaker as you go down the group – so the electron is more easily lost.
How does the reactivity of metals change down the group?
Metal reactivity increases down a group because as nuclear shielding increases and the nucleus’ hold on the valence electron weakens, therefore it is easier to remove valence electrons.
Why are group 1 metals the most reactive?
Alkali metals are among the most reactive metals. This is due in part to their larger atomic radii and low ionization energies. They tend to donate their electrons in reactions and have an oxidation state of +1. All these characteristics can be attributed to these elements’ large atomic radii and weak metallic bonding.
How does the reactivity of metals changes in a period and a group?
The reactivity of non – metals increases from left to right in a period whereas reactivity decreases in a group as we go down the group because the tendency to accept electrons decreases down the group.
How does the reactivity down group 1 and 7 differ?
A useful mnemonic picture to help you recall that: As you go down group 1 (the alkali metals) in the periodic table, the elements get more reactive. As you go up group 7 (the halogens), again the elements get more reactive.
Why does reactivity increase down group 1 but decrease down group 7?
Reactivity decreases down the group. This is because group 7 elements react by gaining an electron. As you move down the group, the amount of electron shielding increases, meaning that the electron is less attracted to the nucleus.
Does reactivity increase down a group 1?
The reactivity of group 1 elements increases as you go down the group because: the atoms become larger. the outer electron becomes further from the nucleus.
Why does reactivity increase down group 1 but decrease down Group 7?
When group 1 metals react what type of compound is formed?
Group 1 elements form alkaline solutions when they react with water, which is why they are called alkali metals.
Which element in group 1 is more reactive lithium or francium?
Reactivity of Group 1 Elements The reactivity of alkali metals increases from the top to the bottom of the group, so lithium (Li) is the least reactive alkali metal and francium (Fr) is the most reactive.
Why does metal reactivity increase across a period?
Since the ionization energy decreases going down a group (or increases going up a group), the increased ability for metals lower in a group to lose electrons makes them more reactive.