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How many unbonded electrons are present in SeO32?
There are two unbonded electrons present in SeO3^2-.
How many electrons are present in one mole of H2?
In one mole of H2, there are six electrons present. Two electrons are contributed by each hydrogen atom.
How many electrons at the maximum can be present in the first shell?
Two electrons can fit in the first shell
How many electrons are in level two of helium?
There are no electrons present in a helium atom in its second energy level.
When two pairs of shared electrons are present a bond is formed?
Yes. Two pairs of shared electrons would form a double covalent bond.
What are two types of participles?
Present and past are the only types of participles in English.
What are bonds in atoms?
Two types: Covalent, in which they share valence electrons to form molecules. Ionic, in which they give or lose valence electrons two each other.
What is the difference between the energy gap of a semiconductor and a superconductor?
Energy gap in a superconductor is not a constant but depends on temperature. Energy gap in a semiconductor is a fixed quantity which does not depend on temperature. The excited quasiparticles or cooper pairs are produced two at a time hence the gap is 2Delta0. In a semiconductor the gap is the energy needed to excite 1 electron into the conduction band. The ground state in a superconductor is made of superconducting cooper pairs , above the gap the electrons are unpaired , the cooper pairs have lower energy. Conduction takes place in the lower ground state in Superconductors , where in semiconductors the electrons conduct from the conduction band. In a superconductor the gap is tied to the fermi level , while in a semiconductor it is fixed to the lattice in reciprocal space.
WHAT Are the two types of electric charges found on electrons and protons?
Protons are positive, and electrons are negative.
How many electrons are present in 40Ca2?
A calcium ion with a 2+ charge (Ca2+) has lost two electrons. A neutral calcium atom (Ca) has 20 electrons, so Ca2+ would have 18 electrons.
When two different types of atoms share electrons to complete an octet what type of bond is formed?
covalent - which means "sharing of valence electrons"
How many lone pairs of electrons are present on nitrogen in ammonia?
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