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Element x is found in group 2A and element Y in group 5A how many electrons are transferred when these elements form a compound
No electrons are transferred since both elements need to gain 2 valence electrons to attain octate state so the two elements will share the outer electrons in their outer ring....
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Write the grounds state electron configuration of the elements that corresponds to each of the following descriptions : A. The group IIB element in 4th period? B. The noble gas in the 3rd period
A. Electron configuration of Scandium[At]4s23d1B. Electron configuration of Argon[Ne] 3s² 3p⁶
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the chemical formula for silver nitrate (AgNO3). Determine the name of each element in the compound, the number of atoms of each element, and the total number of atoms in the chemical formula.
Ag- Silver 1 atomN - Nitrogen 1 atomO - Oxygen 3 atomsTotal atoms = 5 atoms
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Element A has 17 electrons, element B has 19 electrons. Element C has 35 electrons. Which of these elements have the smallest atomic radius
Element A
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The chemical, and physical properties, preparation and uses of representative element
Melting point (°C) 181Boiling point (°C) 1347alkali metalAny of the soft, light, reactive metals of Group 1 of the periodic table; lithium, sodium, potassium, rubidium, cesium, and francium. lyeA strong caustic alkaline...
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An element X reacts with O2 to form a compound X2O5. If 0.35g of the element forms 0.55g of the compound, what is the approximate atomic mass of the element?
Let x be atomic mass of the element X (in grams per mole). Atomic mass of O is known, it is 16. Then molar mass of the compound must be...
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Consider the reaction of sodium hypochlorite with iodine.
Why is hydrochloric acid added to the dilute bleach and iodine in the conical flask?
Hydrochloric acid is added to the dilute bleach and iodine, because the hypochlorite in the bleach solution is reacted with iodide ion under acidic conditions with the formation of iodine:reduction of...
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If the amount of radioactive iodine-123, used to treat thyroid cancer, in a sample decreases from 0.4 to 0.1 mg in 26.4 h , what is the half-life of iodine-123?
0.4 1 half life 0.2 2 half life 0.126.4 = 2 half life13.2= 1 half life
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What is the group, period and block of an element with atomic number 13
An element with atomic number 13 situated in the group 13 (boron group), period 3, p-bloc.
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The electron configuration of element X is 1s22s22p63s23p3
i) What is the atomic number of this element?
ii) Identify the element.
The element is P (phosphorus). The atomic number is 15.
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