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Which of the following has three electrons in its valence shell carbon aluminum sodium calcium?
Aluminum has three electrons in its valence shell.
Which element has a mass number of 40 and only has 2 valance electrons?
The element that has a mass number of and two valence electrons is an isotope of calcium.
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 .
State the number of valence electrons in an atom of calcium?
A calcium atom has two valence electrons.
How many valence electrons does calcium carbonate have?
Calcium carbonate has 16 valence electrons. Calcium contributes 2 valence electrons, while each oxygen atom contributes 6 valence electrons.
How many valence electrons are in calcium?
Calcium is a non metal element. There are 20 electrons in a single atom.
Which of the following has three electrons in its valence shell carbon aluminum sodium calcium?
Aluminum has three electrons in its valence shell.
Which element has a mass number of 40 and only has 2 valance electrons?
The element that has a mass number of and two valence electrons is an isotope of calcium.
What is the number of valence electrons the element aluminum has?
Three
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.
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)
Which element have two valence electrons?
Calcium (Ca) has two valence electrons.
How many valence electron does Ca have?
Calcium's atomic number is 20. It therefore has 20 protons and 20 electrons. Since calcium is a group 2 element, 2 of those electrons are valence electrons.
What element is a metal with 2 valence electron?
All alkali earth metals have 2 valence electrons.
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 does Aluminume have?
Aluminum has 3 valence electrons.
Do Aluminum has the greatest number of valence electrons?
Far from it. Aluminum has 3 valence electrons. The highest number is 8, which the noble gases other than helium have (helium has only 2). Metals can have 1, 2, or 3 valence electrons, so aluminum has the greatest number that an element can have if it is a metal. Once you get to 4 valence electrons (which the element carbon has) you are in the nonmetal range.
