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How many electrons do silicon atoms have?
14 electrons. 2 electrons in the first shell, 8 electrons in second shell, and 4 electrons in the valence shell.
Why does oxygen have two shells?
Oxygen has two electron shells because it has eight electrons in total, with two in the first shell and six in the second shell. Atoms tend to fill their outermost electron shell to achieve stability, and oxygen does this by sharing electrons with other atoms or gaining electrons to fill its outer shell.
What atoms contain exactly two unpaired electrons?
Oxygen atoms contain exactly two unpaired electrons. This is because oxygen has 6 total electrons, with 2 in the first energy level and 4 in the second. Two of the electrons in the second energy level are unpaired.
Which atom contains eight electrons?
Oxygen. Two of the electrons are in the first shell. The other six of them are in the second shell.
What determines whether or not an atom reacts with other atoms is it the electrons on the first shell or the second?
It is predominantly the electrons on the outermost shell (valence electrons) of an atom that determine its reactivity with other atoms. These valence electrons are involved in forming chemical bonds with other atoms.
How many electrons are in a completed valence shell of most second period atoms when they combine with other atoms to become molecules- 2 or 4 or 6 or 8?
The first two elements in the 2nd period are metals, and form ionic compounds rather than molecules. Boron, carbon, nitrogen, oxygen, and fluorine share electrons, forming covalent bonds with other nonmetals so that they will each have a full valence shell with eight electrons. The noble gas neon already has eight valence electrons and is generally nonreactive.
What is the maximum number of electrons in the second electron shell?
8 (just in the second shell) but if you're counting all of the electrons, including the first shell, then there are 10 electrons all together. Eight Electrons are the maximum.
Why Two electron shells in oxygen?
Oxygen has two electron shells because it has eight electrons. The first shell can hold a maximum of two electrons, while the second shell can hold up to eight electrons. In oxygen, two electrons occupy the first shell and the remaining six electrons occupy the second shell to satisfy the octet rule.
How many electrons do the caron atoms have?
Carbon atoms have a total of six electrons. In a neutral carbon atom, these electrons are arranged with two in the first energy level (the innermost shell) and four in the second energy level, allowing for the formation of four covalent bonds with other atoms.
What is the dot diagram for nickel?
The dot diagram for nickel, which has an atomic number of 28, would show two electrons in the first shell and eight electrons in the second shell. This configuration follows the octet rule, which states that atoms tend to gain, lose, or share electrons to achieve a full outer shell with eight electrons.
The second energy level contains how many electrons when it is full?
The second energy level contains eight valance electrons when it's full.
How many electrons can the second shell of an atom hold?
First Shell always has 2 electrons. Second shell onwards can have up to a maximum of 8 electrons.
