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How many atoms does calcium iodide have?
Calcium iodide has a total of 3 atoms: 1 calcium atom and 2 iodine atoms.
How is it that tellurium has a greater mass number than iodine if an iodine atom has one more proton than a tellurium atom?
Iodine nuclei have one more Proton than Tellurium, but in general the Tellurium atoms have more neutrons, giving a higher average atomic mass. Elements often have isotopes, and their stated atomic masses are averages which look at the abundance of these isotopes. In a given sample of Iodine, 100% of it will be 127I, though the tiniest trace of 129I will exist. In a sample of Tellurium, 65% will be 128Te and 130Te. This makes Tellurium's average atomic mass a little higher than Iodine's.
What is the total number of atoms in the formula unit for calcium nitride?
The formula unit for calcium nitride is Ca3N2. To find the total number of atoms, you add the number of atoms in each element together: 3 calcium atoms + 2 nitrogen atoms = 5 atoms in total.
What is the total number of atoms in Calcium Chlorate?
The chemical formula for Calcium Chlorate is Ca(ClO3)2. To find the total number of atoms, we add up the atoms in the formula: 1 Calcium atom, 2 Chlorine atoms, and 6 Oxygen atoms, making a total of 9 atoms in Calcium Chlorate.
How many elements are present in NI3?
Nitrogen triiodide (NI3) has 4 atoms, one of Nitrogen and three of Iodine therefore there are two elements present in NI3.
What are the amount of atoms in iodine pentachloride?
Iodine pentachloride (ICl5) has a total of 6 atoms - 1 iodine atom and 5 chlorine atoms.
How many atoms do PCl5 have?
PCl5, or phosphorus pentachloride, consists of one phosphorus atom and five chlorine atoms. Therefore, it has a total of six atoms.
What is the oxidation number of iodine in iodate ion I3-?
The oxidation number of iodine in the iodate ion (IO3-) is +5. Each oxygen atom has an oxidation number of -2, giving a total of -6 for the three oxygen atoms. To neutralize the charge of -1 on the ion, the oxidation number of iodine must be +5.
How many atoms does calcium iodide have?
Calcium iodide has a total of 3 atoms: 1 calcium atom and 2 iodine atoms.
How many atoms does 6PCL5 have?
The chemical formula 6PCl5 indicates that there are 6 molecules of phosphorus pentachloride (PCl5). Each PCl5 molecule contains 1 phosphorus atom and 5 chlorine atoms, totaling 6 phosphorus atoms (6 × 1) and 30 chlorine atoms (6 × 5). Therefore, the total number of atoms in 6PCl5 is 6 + 30 = 36 atoms.
What is the oxidation number of you in IF7?
In IF7, Fluorine is more electronegative than Iodine, so Fluorine will have an oxidation number of -1. Since there are 7 Fluorine atoms bonded to the Iodine atom, their total oxidation number is -7. To find the oxidation number of Iodine, you would set up an equation: I + (-7) = 0. Therefore, the oxidation number of Iodine in IF7 is +7.
What is the Oxidation number on IF7?
The oxidation number of iodine in IF7 is +7. This is because fluorine is more electronegative than iodine, so each fluorine atom in the compound carries an oxidation number of -1. Since there are 7 fluorine atoms in IF7, the total charge from fluorine is -7, which means iodine must have an oxidation number of +7 to balance the charge.
How many valence electrons are around the central iodine atom?
Iodine is in group 17 of the periodic table, which means it has seven valence electrons. When iodine is the central atom in a molecule, it typically retains all seven of its valence electrons unless it forms bonds with other atoms. In such cases, some of these electrons are shared with surrounding atoms, but the total number of valence electrons associated with the iodine remains seven.
What is the oxidation number of PbI2?
The oxidation number of lead (Pb) in PbI2 is +2. Iodine (I) typically has an oxidation number of -1 in compounds. Since there are two iodine atoms in PbI2, the total negative charge contributed by iodine is -2. This balances with the +2 charge of lead to make PbI2 neutral.
How many electrons are shared in an iodine molecule?
In an iodine molecule (I2), a total of two electrons are shared between the two iodine atoms in order to form a covalent bond.
What is the Oxidation number and formal charge of IF4 plus ion?
The oxidation number of the IF4+ ion is +5, because iodine typically has an oxidation number of -1 in compounds and there are 4 fluorine atoms with an oxidation number of -1 each. The formal charge of the IF4+ ion is 0, because iodine has 7 valence electrons and each fluorine contributes 1 electron to the bonding, resulting in a total of 10 electrons (4 from fluorine atoms and 6 from iodine).
How many lone pairs are there in I2?
In iodine (I2), each iodine atom has three lone pairs of electrons. Since there are two iodine atoms in the molecule, I2 has a total of six lone pairs. However, these lone pairs are localized on each individual iodine atom and do not participate in bonding between the two atoms.
