In my research it appears that SiF4 has the characteristics of a covalent bond (colorless gas, odorous, soluble in water, and a low melting point). Ionic compounds conduct electricity when dissolved in water, covalent compounds don’t. 1) Na2CO3 sodium carbonate. Graphite is an exceptional example, composed of planar sheets of covalent crystals … 3) I2 3) NH3 ammonia. Stay upwind. a. This surprised me because Silicon Tetrafluoride doesn't seem to have the characteristics of an ionic bond. Keep out of low areas. A covalent crystal contains a three-dimensional network of covalent bonds, as illustrated by the structures of diamond, silicon dioxide, silicon carbide, and graphite. Ionic compounds involve the transfer of electrons, while covalent compounds share electrons. 1) Na 2 CO ... silicon tetrafluoride SiF 4 20) silver phosphate Ag 3 PO 4 (Still) More Naming Practice - Answers 1) BBr 3 boron tribromide 2) CaSO 4 calcium sulfate 3) C 2 Br 6 For each of the following questions, determine whether the compound is ionic or covalent and name it appropriately. Hydrogen (H) has an electronegativity of 2.1. When I went to determine if the bond was non polar or polar based on the electro-negativities, I found that SiF4 is an ionic bond. Write the formula for the following binary ionic compounds. Calcium phosphate: Covalent Bonding in Ionic Species 5.7 Ca2+ PO43– Ca3(PO4)2 Sum of charges: 3(+2) + 2(–3) = 0 Covalent Bonding in Ionic Species Covalent Bonding in Ionic Species Worked Example 5.9 Strategy Begin by identifying the cation and anion in each compound, and then combine the names for each, eliminating the word ion. Keep unauthorized personnel away. 19) silicon tetrafluoride _____ 20) silver (I) phosphate _____ Nomenclature Practice Solutions. Ionic/Covalent Compound Naming Solutions . 6) GaCl3 gallium chloride. 6) Explain why ionic compounds are formed when a metal bonds with a nonmetal but covalent compounds are formed when two nonmetals bond. Ionic/Covalent Compound Naming Solutions For each of the following questions, determine whether the compound is ionic or covalent and name it appropriately. Mixed Ionic/Covalent Compound Naming For each of the following questions, determine whether the compound is ionic or covalent and name it appropriately. 4) FeSO4 iron (II) sulfate. When it is large, the bond is polar covalent or ionic. If you want to quickly find the word you want to search, use Ctrl + F, then type the word you want to search. Ventilate closed spaces before entering. silicon tetrafluoride is Covalent bond I'll tell you the ionic or Covalent bond list below. 2) P2O5 diphosphorus pentoxide. 2) P2O5 diphosphorus pentoxide. The absolute values of the electronegativity differences between the atoms in the bonds H–H, H–Cl, and Na–Cl are 0 (nonpolar), 0.9 (polar covalent), and 2.1 (ionic), respectively. 1) Na2CO3 sodium carbonate. / Many gases are heavier than air and will spread along ground and collect in low or confined areas (sewers, basements, tanks). For each of the following questions, determine whether the compound is ionic or covalent and name it appropriately. Ionic and Molecular (Covalent) Compounds Naming and Formula Writing Review 1. 5) SiO2 silicon dioxide. 7) CoBr2 cobalt (II) bromide. Silicon (Si) has an electronegativity of 1.8.