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What trends in the elements properties do you notice about elements that are in the same group?
They have the same valency. The atomic radius of elements increases by one as you go down the group. They also have the same properties
What are the trends in the valency of the periodic table?
The trend for the valence electron(s) is mostly significant to the the elements in s and p blocks. In other words groups 1-2 and 13-18 in the modern periodic table. The first four aforementioned groups have 1, 2, 3 and 4 electrons which can be shared with an other atom. The elements in groups 15, 16 and 17 are tend to obtain electrons from other elements 3, 2 and 1 respectively. The group 18 elements are naturally inert because they do not have valence electrons.
How does reactivity work with the elements going down the groups for metals and non metals?
Reactivity increases down the group for metals. It decreases down the group for non-metals.
How do you find valency of an element?
The number of electrons in the outermost energy shell is usually used in finding the valency of a given element. For instance elements that have two electrons in the outermost energy shell have valency 2.
Why boiling point of zero group increases down the group?
As you go down any group in the periodic table of elements, you are moving in the direction of heavier elements. And heavier elements within a group are going to boil at higher temperatures than lighter elements, because heavier atoms have more inertia, and require more energy in order to give them the amount of random thermal motion needed to form the gas phase.
How does the valency vary on moving down the group?
The valency does not (or tends not to) vary going up and down a group. It varies going across a period.
What trends in the elements properties do you notice about elements that are in the same group?
They have the same valency. The atomic radius of elements increases by one as you go down the group. They also have the same properties
Does the reactivity of elements in group 2 increase going up or down?
The reactivity is increasing goinng down in the group.
What are the trends in the valency of the periodic table?
The trend for the valence electron(s) is mostly significant to the the elements in s and p blocks. In other words groups 1-2 and 13-18 in the modern periodic table. The first four aforementioned groups have 1, 2, 3 and 4 electrons which can be shared with an other atom. The elements in groups 15, 16 and 17 are tend to obtain electrons from other elements 3, 2 and 1 respectively. The group 18 elements are naturally inert because they do not have valence electrons.
What is the similarity of the elements in group 3 on the periodic table?
Elements in group three basically have THREE electrons in their outtermost orbitals.However, reactivity increases down the group with Thalium(Tl) being the most reactive as its outtermost electrons are further away from the nucleus.These elements react by losing 3 electrons and therefore they all have a valency of +3.
What is the term for a row of elements going from up to down on the periodic table?
Group or family
What is the name given to the arrangement of elements going up and down on the periodic table?
A group.
How many elements on the periodic table of elements?
In the Periodic table of Elements There are 118 Elements 96 are metals The rest are non-metals Group 7= Halogens Group 8/0= Noble gases Going down group 1 and 2, elements become more reactive
How does reactivity work with the elements going down the groups for metals and non metals?
Reactivity increases down the group for metals. It decreases down the group for non-metals.
As you move down a group elements have how many electrons shells than those above them?
going down a group, each element gains 1 shell (energy levels)
How do you find valency of an element?
The number of electrons in the outermost energy shell is usually used in finding the valency of a given element. For instance elements that have two electrons in the outermost energy shell have valency 2.
What is the term for a row of elements going up to down on the periodic table?
Group is a column going up and down; there are 18 groups + two sub-groups (Lanthanides and Actinides, actually both part of group 3) Period is a row, horizontally left to right; there are 7 periods for 118 elements.
