Chemical Compounds and Bond Types

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Potassium (K) with atomic number 19 and selenium (Se) with atomic number 34 can form a compound with the chemical formula and bond type of...

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K2Se, ionic bond

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Identify the covalent compound from the following: KCl, NH3, Na2O, CH4.

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NH3 and CH4 are covalent compounds.

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When calcium ion (Ca2+) combines with phosphate ion (PO4^3-), the resulting compound is...

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Ca3(PO4)2

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The chemical formula of Ca(NO3)2 consists of the following cation and anion...

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The compound with the chemical formula Pb(NO3)2 is named...

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Lead(II) nitrate

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The names of the compounds with the formulas Na2S, KNO2, and CaCO3 are...

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Sodium sulfide, potassium nitrite, and calcium carbonate

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The chemical formula for dinitrogen trioxide is...

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N2O3

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Ca3(PO4)2

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Identify whether the following compounds are ionic or covalent: H2, O2, NH3, NaCl, CO2.

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H2, O2, NH3, CO2 are covalent; NaCl is ionic.

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Element X has the electron configuration 1s2 2s2 2p6 3s1, and element Y has 1s2 2s2 2p4. They form the compound X2Y. Determine the true statement.

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Element X loses an electron to become a cation.