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How many valence electrons are in calcium?
Calcium is a non metal element. There are 20 electrons in a single atom.
What element is in the same period as helium and has only one valence electron?
The element in the same period as helium that has only one valence electron is lithium. Both helium and lithium are located in Period 1 of the periodic table, with helium in Group 18 (noble gases) and lithium in Group 1 (alkali metals). Lithium has the atomic number 3 and has one electron in its outermost shell, making it highly reactive.
What element has the fewest valence electrons in period two?
In period two of the periodic table, lithium (Li) has the fewest valence electrons, with only one valence electron. This is characteristic of alkali metals, which are found in group one. As you move across the period, elements gain additional valence electrons, with neon (Ne) having eight.
Which element have two valence electrons?
Calcium (Ca) has two valence electrons.
Rank the element carbon sodium calcium and iodine in order of decreasing number of valence electrons?
The order is: Iodine (7 valence electrons) Carbon (4 valence electrons) Calcium (2 valence electrons) Sodium (1 valence electron)
How do you know how many valence electrons does calcium have?
its in column two on the periodic table, so therefor it has two valence electrons .
How many valence electrons are in Lithium?
Lithium has 1 valence electron.
Does calcium have three electrons that complete its valence shell?
The element calcium is in the fourth energy level and second group of the periodic table. This put it in the 's' orbital group with two valence electrons.
Name the element that has 2 valence electrons is an alkaline metal and found in bones?
The answer your teacher is expecting is "calcium", though your teacher should have worded the question better; there are no alkali metals with 2 valence electrons. Calcium is an alkaline earth.
What is the charge of valence electrons of calcium?
The charge of valence electrons in calcium is +2. This is because calcium belongs to Group 2 of the periodic table, which means it has 2 valence electrons. Valence electrons are the outermost electrons in an atom that participate in bonding.
The valence electrons of which element has the highest energy hydrogen lithium sodium or potassium?
The element with the highest energy valence electrons among hydrogen, lithium, sodium, and potassium is potassium. Potassium is in the first group of the periodic table, which means it has one valence electron located in the highest energy level (n=4 in the case of potassium).
How many outermost (valence) electrons does lithium and potassium have?
Both lithium and potassium are in Group I of the Periodic Table, so they both have one valence electron.
If an element has 1 valence electron what group is it in?
That element would be in the Alkali Metals (group one)
Number of valence electrons in Lithium?
There is one valence electron in lithium, also in every other alkali metal element.
Which element has the same number of energy levels as aluminum and the same number of valence electrons as calcium?
1. An element contain only specific atoms of this element and no other atoms. 2. Compounds as calcium aluminates contain both aluminum and calcium.
How many valence electrons are in calcium?
Calcium is a non metal element. There are 20 electrons in a single atom.
What element is in the same period as helium and has only one valence electron?
The element in the same period as helium that has only one valence electron is lithium. Both helium and lithium are located in Period 1 of the periodic table, with helium in Group 18 (noble gases) and lithium in Group 1 (alkali metals). Lithium has the atomic number 3 and has one electron in its outermost shell, making it highly reactive.
