molecular species means that they will form molecules (atoms bonded with other atoms)
then:
Iodine --> I-I = I2
Mg not
Cs not
P --> P4
Oxygen --> O=O --> O2 is molecular
Neon --> will not form since it is noble gas
Sulphur --> sill form S8
carbon -> does not form
Which element exist as molecular spacies in their most stable at 25 degree C and 1...
And why? Which element does NOT exist in its most stable form as diatomic molecules? nitrogen carbon hydrogen oxygen Which combination of formula and name is incorrect? NaNO_3, sodium nitrate (NH_4)_2SO_4, ammonium sulfide FeC1_3, iron(III) chloride P_2S_5, diphosphorus pentasulfide none of these (i.e., all are correct combinations of name and formula)
Decide which element probably forms a compound with oxygen that has a chemical formula most and least similar to the chemical formula of the compound formed by oxygen and calcium. Comparing chemical formula of compound formed with oxygen: berylliumithium carbon cesium most similar to calcium least similar to calcium ク
Which of the following is the most stable carbocation with a molecular formula of C4Hg? a) b) c) d) Oaa) bb cc) d.d)
Use the molecular orbital diagram shown to determine which of the following is most stable. A. F22+ B. Ne22+ C. F22- D. O22+ E. F2
c. Iodine (l) is an element that exists as numerous isotopes, most of which are radioactive. i. Complete Table 1 for three of the neutral isotopes of iodine. (two words deleted to improve the sense) See Blank Table 1 - Word and Blank Table 1 - Open Office. (4 marks) Table 1 The atomic particles in the neutral isotopes of iodine. Isotope Protons Neutrons Electrons 1-123 ?? 70 ?? I-125 ?? ?? ?? |-131 ?? ?? ??
Decide which element probably forms a compound with oxygen that has a chemical formula most and least similar to the chemical formula of the compound formed by oxygen and barium. Comparing chemical formula of compound formed with oxygen magnesium nitrogen most ar to barum least similar to barium X 5 ?
Part A Which of the following pairs of elements are likely to form an ionic compound? Check all that apply. sulfur and bromine O copper and chlorine potassium and oxygen zinc and magnesium nitrogen and phosphorus vanadium and neon Submit Request Answer
O MATTER Using the Periodic Table to identify similar elements Andre Decide which element probably forms a compound with hydrogen that has a chemical formula most and least similar to the chemical formula of the compound formed by hydrogen and nitrogen. Comparing chemical formula of compound formed with hydrogen: oxygen 0 most similar to nitrogen least similar to nitrogen magnesium 0 0 sulfur 0 0 phosphorus 0 0 1 x 5 ?
1.most stable cation? 2. same degree of saturation? А. B C ho + D. CsHuBr2NO C6H5Br C3H10 Brlo C9H44NO 11 IV
Hydrogen 1H 2- Atomic number He Helium - He Mass number First shell Element symbol- Electron- distribution diagram Lithium Beryllium Carbon Boron 3B Oxygen Nitrogen en N Fluorine انار Neon Be 10 Ne Second shell Sodium 11 Na Aluminum AI Sulfur Magnesium 12Mg Chlorine Phosphorus Silicon 1 Si Argon Ar Third shell According to the section of the Periodic Table of Elements above, which element is most likely to have similar chemical properties to carbon Selected Answer: C. Phosphorus Answers:...