0
the group in which an element falls = # of valence electrons
eg Na gp 1 = 1 valence e
Ca, gp 2 = 2 valence e and so on.......
the number of covalent bond an element makes really depends on which other element it bonds with but note this
a covalent bond consist of 2 electrons so how many covalent bonds formed will depend on how many electrons an atom has in its valence shell
- covalent bond are mostly between non metals and involves electron sharing
carbon forms the longest chain of covalent bonds with itself...
What else can I help you with?
Does the periodic table tell you how many valence electrons an atom of an element has?
simply yes
How can you tell whether or not an element will react with others element?
Depending on how many valence electrons in the element has, The other element could take away a valence electron to make eight
How can you tell whether or not an element will react other elements?
Depending on how many valence electrons in the element has, The other element could take away a valence electron to make eight
How can i look at the periodic table and tell how many valence electrons an element has?
The group of the element indicates the amount of valence electrons. For example, the alkali metals have one valence electron and is in group one whilst the halogens have seven valence electrons and are in group seven.
What does the group number of a element tell about valence electrons?
All elements in the same A group will have the same number of valence electrons.
What columns in periodic table tell us about the atom?
How many valence (outer shell) electrons an element has.
What does the number of electrons on the outershell of an atom tell us?
The valence of the element
How can you tell from an element's number of valence elns whether the element is more likely to form a caor an anion?
If an element has less than four valence electrons, it will tend to lose its valence electrons and form cations. If an element has more than four valence electrons, it will tend to gain electrons and form anions. An element that has four valence electrons will tend to form covalent bonds rather than ionic bonds.
How can you find group no?
The number of valence electrons tell us the group number of that element.
What does the number of valence electrons tell you about a given element?
If its positive it tells u that it has that number of valence electrons. If negative it tells you that it requires that number of electrons to make the valence electrons filled up/stable. If you know which Ion it is, you know the number of valence electrons of the neutral Atom. It corresponds to the group in the periodic table, the element is in. For example: Mg. It's in group 2, so it has 2 valence electrons. The oxidation number now tells you how many more or less electrons the atom has. For example: Mg(II) has 2 positive charges, hence two electrons less. That means it has 0 valence electrons. Take complete number of valence electrons, subtract the oxidation number and you get the number of valence electrons in the ion.
How can you tell whether or not nitrogen the element will react with other elements?
By seeing how many valence electrons Nitrogen has, it does, it reacts with oxygen to make nitrous oxide
Which element in the 3 period has 3 valence electrons?
Aluminum, element number 13. You can tell how many valence electrons an element has by looking at its group (column). This rule only applies for the metals and nonmetals, however. In other words, columns IA, IIA, (skip the middle section starting with Sc and ending with Zn) IIIA, IVA, VA, VIA and VIIA have 1, 2, 3, 4, 5, 6 and 7 valence electrons, respectively.
