Determine whether the following pairs of elements can form ionic compounds. |
A) Ionic B) Ionic C) Ionic D) Ionic E) Non-Ionic F) Non-Ionic |
What is the formula for an ionic compound that contains the elements calcium and fluorine? |
C) CaF₂ |
Classify the substances as atomic elements, molecular elements, molecular compounds, or ionic compounds. |
A) Molecular elements B) Molecular compound C) Molecular compound D) Molecular elements E) Ionic compound F) Atomic elements G) Ionic compound H) Atomic elements |
Assign each species to the expression that most accurately describes the basic units of that substance; single atoms, diatomic molecules, molecules, formula units. |
A) Molecules B) Single atoms C) Molecules D) Formula units E) Formula units F) Single atoms G) Single atoms H) Formula units I) Diatomic molecules J) Formula units K) Diatomic molecules L) Diatomic molecules |
Determine the number of each type of atom in each of the following formulas. |
A) Mg=1, Cl=2 B) Na=1, N=1, O=3 C) Ca=1, N=2, O=4 D) Sr=1, O=2, H=2 |
Which of the following elements have molecules as their basic units? |
C) chlorine D) hydrogen |
Write a formula for the ionic compound that forms from each of the following pairs of elements. |
A) Al₂O₃ B) BeI₂ C) CaS D) CaI₂ |
Match the substances with the basic units that compose them; molecules, single atoms, diatomic molecules, formula units |
A) diatomic molecules B) single atoms C) molecules D) formula units |
Upon decomposition, one sample of magnesium fluoride produced 2.35 kg of magnesium and 3.67 kg of fluorine. A second sample produced 1.00 kg of magnesium. How much fluorine (in grams) did the second sample produce? |
1560 g |
What is the formula mass of magnesium chloride, MgCl₂? (Use 4 significant figures.) |
95.21 amu |
What is the formula mass of calcium nitrate, Ca(NO₃)₂? (Use 5 significant figures.) |
164.10 amu |
What is the formula mass of propanol, C₃H₇OH? (Use 4 significant figures.) |
60.11 amu |
Write formulas for the compounds that form from Rb and each of the following polyatomic ion: |
A) RbNO₃ B) Rb₂SO₄ C) Rb₃PO₄ |
Write formulas for the compounds that form from Sr and each of the following polyatomic ion: |
A) Sr(NO₃)₂ B) SrSO₄ C) Sr₃(PO₄)₂ |
Write formulas for the compounds that form from In and each of the following polyatomic ion: (Assume In charge is 3+.) |
A) In(NO₃)₃ B) In₂(SO₄)₃ C) InPO₄ |
Name each of the following Type I ionic compounds. |
A) lithium iodide B) magnesium sulfide C) barium fluoride D) sodium fluoride |
Name each of the following Type II ionic compounds. |
A) mercury(II) bromide B) iron(III) oxide C) copper(II) iodide D) tin(IV) chloride |
Name each of the following ionic compounds containing a polyatomic ion. |
A) barium nitrate B) lead (II) acetate C) ammonium iodide D) potassium chlorate |
Write a formula for each of the following ionic compounds. |
A) CuClO₃ B) KMnO₄ C) PbCrO₄ D) CaF₂ E) Fe₃(PO₄)₂ F) LiHSO₃ |
Name each of the following molecular compounds. |
A) sulfur dioxide B) nitrogen triiodide C) bromine pentafluoride D) nitrogen monoxide E) tetranitrogen tetraselenide |
Write a formula for each of the following molecular compounds. |
A) ClO B) XeO₄ C) XeF₆ D) CBr₄ E) B₂Cl₄ F) P₄Se₃ |
Name each of the following acids. |
A) carbonic acid B) acetic acid C) nitrous acid D) hydrochloric acid |
Write a formula for each of the following acids. |
A) HF B) HCN C) HClO₂ |
Calculate the formula mass for each of the following compounds. |
A) 76.15 amu B) 180.18 amu C) 241.88 amu D) 100.23 amu |
Chapter 5 Online HW
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