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What alkali metal is diatomic?
Potassium (K) is the only alkali metal that is diatomic in its natural form. Each potassium atom forms a bond with another potassium atom to create a diatomic molecule (K2).
Is calcium potasium?
No, calcium and potassium are two different elements. Calcium is a chemical element with symbol Ca and atomic number 20, while potassium is a chemical element with symbol K and atomic number 19. Both are essential minerals for human health with different roles in the body.
Element used in lighter flints and carbon-arc lamps?
The element used in lighter flints and carbon-arc lamps is cerium. It is a rare earth metal that creates sparks when struck against a rough surface, making it ideal for ignition systems in lighters. In carbon-arc lamps, cerium is used as part of the electrode material to create an arc of light when an electric current passes through it.
What elements can bond with water to create a chemical bond?
There are a number of elements that can bond with water to create a chemical bond. Some elements include hydrogen, helium oxygen and nitrogen. Why can find details of the elements on Wikipedia.
Formula for barium and iodine?
It'd be BaI2 because Barium has a fixed oxidation state of +2, and Iodine has a fixed state of -1, so you need two Iodines to create a neutral charge.
How many moles of iodine are needed to react with 5 moles of potassium to create potassium iodide?
Since molecules of potassium contain only single potassium atoms, molecules of iodine contain two atoms, and moles of potassium iodide contain one atom of each element, 2.5 moles of iodine are needed to react completely with 5 moles of potassium.
What is the solute for antiseptic iodine?
The solute in antiseptic iodine is typically iodine itself, which is a chemical element. Iodine is dissolved in a solvent, such as alcohol or water, to create an antiseptic solution for disinfecting wounds and skin.
What is the role of potassium iodide in the formulation of strong iodine solution?
Potassium iodide acts as a stabilizer in strong iodine solutions by preventing the iodine from sublimating (evaporating) and maintaining its concentration. It also helps to dissolve the elemental iodine in water to create a uniform and stable solution.
Acid and base that makes potassium iodide?
To make potassium iodide, you would need to first react iodine with potassium hydroxide. This will create potassium iodate, which can then be reduced to potassium iodide using a reducing agent like sulfur dioxide or hydriodic acid.
What two elements did mendeleev swap in the periodic table?
Mendeleev swapped the positions of iodine and tellurium in his periodic table, as he believed their properties were more in line with their atomic weights. This helped to create a more accurate and predictive table of elements.
Is iodine solution a compound?
A compound consists of atoms of two or more elements bonded to one another. However, iodine contains only one type of atom (all its atoms have the same number of protons). Thus, iodine is an element, not a compound. However, free Iodine only exists as a diatomic molecule at standard conditions. "I2" is how you write the formula of the Iodine molecule. It is definitely molecular but, depending on how you define "compound", it might not fit that definition because it is all the same type of atom.
What is a solute and solvent in tincture of iodine?
In tincture of iodine, iodine is the solute and alcohol (usually ethanol) is the solvent. Ethanol dissolves the iodine to create the tincture solution.
What alkali metal is diatomic?
Potassium (K) is the only alkali metal that is diatomic in its natural form. Each potassium atom forms a bond with another potassium atom to create a diatomic molecule (K2).
What color does iodine and talc create?
Iodine and talc do not create a specific color when combined. Talc is a white or light-colored mineral, while iodine is a dark purple-black solid. When iodine is mixed with talc, the appearance would depend on the proportion of each substance used.
Is tetraiodine nonoxide molecular or ionic?
Tetraiodine nonoxide (I4O9) is a molecular compound. It is composed of non-metal elements (iodine and oxygen) that form covalent bonds to create a discrete molecule.
What is potassium plus chlorine equals potassium chloride?
Potassium (K) and chlorine (Cl) react together in a 1:1 ratio to form potassium chloride (KCl), where each potassium atom bonds with a chlorine atom to create an ionic compound. This reaction is a simple combination reaction where the elements combine to form a compound with a stable ionic structure.
How do you decompose potassium metabisulfite and create solid potassium oxide?
Heat it to 190 C.
