Concept explainers
(a)
Interpretation:
To write the formula of a compound of hydrogen with nitrogen, which is a gas at 250C and 1 atm.
Concept introduction:
In
(b)
Interpretation:
To write the formula of a compound of hydrogen with phosphorus, which is a liquid at 250C and 1 atm.
Concept introduction:
In chemical reactions, one substance is change into another substance that is there is complete chemical transformation of reactants to form products.
(c)
Interpretation:
To write the formula of a compound of hydrogen with oxygen, which contains an O-O bond.
Concept introduction:
In chemical reactions, one substance is change into another substance that is there is complete chemical transformation of reactants to form products.
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Chemistry: Principles and Reactions
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- Answer true or false. (a) The name of a binary ionic compound consists of the name of the positive ion followed by the name of the negative ion. (b) In naming binary ionic compounds, it is necessary to state the number of each ion present in the compound. (c) The formula of aluminum oxide is Al2 O3 . (d) Both copper(II) oxide and cupric oxide are acceptable names for CuO. (e) The systematic name for Fe2 O3 is iron(II) oxide. (f) The systematic name for FeCO3 is iron carbonate. (g) The systematic name for NaH2PO4 is sodium di- hydrogen phosphate. (h) The systematic name for K2HPO4 is dipotassium hydrogen phosphate. (i) The systematic name for Na2O is sodium oxide. (j) The systematic name for PCl3 is potassium chloride. (k) The formula of ammonium carbonate is NH4CO3. 39. (a) A covalent bond is formed between two atoms whose difference in electronegativity is less than 1.9. (b) If the difference in electronegativity between two atoms is zero (they have identical electronegativ- ities),…arrow_forwardUse your knowledge of the correct number of covalent bonds to predict the formula for a simple compound formed between bromine and the following elements. (Enter NONE if no compound is likely to form.) (a) phosphorus (b) carbon (c) nitrogen (d) hydrogenarrow_forwardPredict which of these compounds are ionic and which are covalent.(A) Ca3N2(B) Li2CO3(C) PCl5(D) NaOH(E) CH4(F) MgOarrow_forward
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