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What is formed when calcium reacts with iodine?
When calcium reacts with iodine, calcium iodide is formed. This is a white crystalline solid that is soluble in water and has various industrial applications such as in the manufacturing of chemical compounds.
Why does iodine change colour when reacts with starch?
When iodine reacts with starch, it forms a complex known as the starch-iodine complex. This complex results in a deep blue or purple color, which is easily visible. The color change occurs due to the way iodine molecules interact and bond with the long chains of glucose molecules in the starch structure.
What type of bond forms between Cesium and Iodine?
Ionic bond forms between cesium and iodine. Cesium donates an electron to iodine, creating positively charged cesium ions and negatively charged iodine ions, which are attracted to each other to form the bond.
What is the bond between Ca and I?
The bond between Ca (calcium) and I (iodine) is an ionic bond, where calcium atoms lose two electrons and iodine atoms gain one electron to form CaI2. This results in the transfer of electrons from calcium to iodine, creating oppositely charged ions that attract each other to form a stable compound.
What type of bond would exist in a compound formed when calcium reacts withoxygen?
an ionic bond
Is iodine trichloride a ionic or covalent bond?
Iodine trichloride forms a covalent bond. It consists of two nonmetals (iodine and chlorine) which share electrons to form a molecular compound.
How many bonds does iodine have with hydrogen?
Iodine typically forms one covalent bond with hydrogen.
How many bonds does iodine have to hydrogen?
Iodine typically forms 1 covalent bond with hydrogen.
What type of bond forms between rubidium and iodine?
A ionic bond forms between rubidium and iodine. Rubidium, a metal, donates its electron to iodine, a nonmetal, resulting in the formation of positively charged rubidium ions and negatively charged iodine ions that are then attracted to each other.
What does iodine bond with?
Iodine typically forms bonds with elements like hydrogen, oxygen, and other halogens such as chlorine and fluorine. It commonly forms compounds such as hydrogen iodide (HI), iodine oxide (I2O5), chlorine iodide (ICl), and iodine pentafluoride (IF5).
What happens to the outer shell of a calcium atom when it reacts with an oxygen atom?
When a calcium atom reacts with an oxygen atom, the calcium atom loses two electrons from its outer shell and the oxygen atom gains those electrons. This forms a calcium ion with a 2+ charge and an oxygen ion with a 2- charge. These ions then bond together to form calcium oxide.
Calcium sulfide forms when calcium loses 2 valence electrons to sulfur what type of bond is formed?
An ionic bond.
