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Lithium , sodium and potassium are the three elements having 1 valence electron in their outer shell.

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What are the valences of the four most common elements of living matter?

The valence of hydrogen which is a common element of living matter is 1. The other elements are oxygen which has a valence of 2, nitrogen has a valence of 3 and carbon has a valence of 4.


What elements have 3 valence elements?

Some elements that have 3 valence electrons include aluminum, boron, and thallium. These elements can form compounds by either losing the 3 valence electrons to achieve a full outer shell, or by sharing electrons to complete their valence shell.


How many group 3 valence electrons?

Group 3 elements have 3 valence electrons. These elements include boron, aluminum, gallium, indium, and thallium.


How are groups of elements in the periodic table of elements similar?

The simplest way to remember the groups is that it shows the number of valence electrons in an atom. So, the correct progression is. Group #: 1- 1 valence electron 2- 2 valence electrons 3 to 12- transition metals --> different isotopes mean different electrons 13- 3 valence electrons 14- 4 valence electrons 15- 5 " " 16- 6 " " 17- 7 " " 18- NOBLE GASES 8 valence electrons (full valence) NOTE: charges as follows 1- +1 2- +2 3 to 12- again depends on isotope (ROMAN NUMERAL ex: Nickle II) 13- +3 14- +/- 4 15- -3 16- -2 17- -1 18- 0 NO CHARGE BECAUSE OF FULL VALENCE- stable elements


What are the valence electron of an atom?

The valence electrons are found on the valence shell, the outermost shell of an atom. By using the periodic table and the group numbers, one can find the number of valence electrons for elements in groups (vertical columns) 1-2 and 13-18. For the 1st 2 groups (1 and 2), the group number tells the number of valence electrons for elements which belong in that group Elements in the 1st group have 1 valence electron and elements in the 2nd group have 2 valence electrons. For groups 13-18, refer to the tens' value (the teen value that is not the "1" in these cases). Elements in group 13 have 3 valence electrons, elements in group 14 have 4 and so on to the the final group, 18, where electrons have a full octet of valence electrons.


How many valence electrons are in the dot structure or the elements in 3A?

The elements in 3A all have 3 valence electrons.


What is the electron distribution in group 3 elements?

they generally have 3 valence electrons


How many valence electrons do the boron group have?

Boron is located in group 3A. It is group 13 in modern notation. This set of elements have three valence electrons.Boron is in the 13th group in the periodic table. Elements in this group has 3 electrons in the outermost energy level. That means they have 3 valence electrons.


How many valence electrons do each what elements have boron gold krypton and calcium?

Boron has 3 valence electrons, gold has 1 valence electron, krypton has 8 valence electrons, and calcium has 2 valence electrons. Valence electrons are the electrons in the outermost energy level of an atom.


What 3 elements that are likely to donate 1 valence electron?

Elements in the 1st group have 1 valence electron. So they are likely to donate 1 electron to get more stable. potassium, rubidium and cesium are likely to donate 1 electron.


Which of the representative elements in period 4 has 3 valence electrons?

The representative element in period 4 with 3 valence electrons is phosphorus.


What is the r elationship of number of valence electrons of elements to their group in the periodic table?

Valence electrons are in the outer shell of the atom. The first column (group 1)has a +1 valence, which means that it has an extra electron it can 'lose' when bonding with other atoms. The 2nd column (group 2) has +2. The same goes for groups 3. Group 4 can gain 4 and lose 4. Group 5 can 'gain' 3 electrons, group 6 can gain 2 electrons etc.