Concept explainers
General Lewis Structures
Determine whether each compound is ionic or molecular and draw an appropriate Lewis structure:
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Chapter 5 Solutions
Chemistry In Focus
- Represent the following molecules by Lewis structures: a. CH4 each H atom is bonded to the C atom b. CO2 each O atom is bonded to the C atom c. H2Se each H atom is bonded to the Se atom d. NH3 the H atom is bonded to the N atomarrow_forwardHow does the bond energy of HCl(g) differ from the standard enthalpy of formation of HCl(g)?arrow_forwardFor each of the following molecular models, write an appropriate Lewis formula.arrow_forward
- Using Lewis Structures to Determine the Correct Chemical Formula for Ionic Compounds Use Lewis structures to determine the correct chemical formula for the compound formed between LiandO.arrow_forward12. Draw Lewis structures for these compounds. From your Lewis structures draw structural formulas.arrow_forwardIn drawing Lewis structures what does octet rule mean? O a. atoms lose electrons until they have only 8 electrons left O b. atoms are stable if they have 8 p electrons OC. Atoms are the most stable if they have 8 valence electronsarrow_forward
- 2. Write the Lewis dot (electron dot) symbol for each atom. Use the Lewis dot symbol to predict the charge of the ion formed from atom. Write the Lewis dot structure of the ion. You must write both neutral atom and ion! a. Sr b. N C. I d. P e. Liarrow_forward1. Which statement about chemical bonds is true? a. It is an electrostatic attraction that holds two atoms together.b. It involves the combination of two nuclei of different atoms.c. It involves the temporary attraction between two or more substances.d. It deals with the physical separation of substances to form another set of substances. 2. Which Lewis electron-dot diagram represents a rubidium atom? a. Rb•b. :Rb•c. Rb:d. •Rb• 3. The bond between Br atoms in a Br2 molecule is _______ and is formed by the _________ of two valence electrons. a. ionic ; sharingb. ionic ; transferc. covalent ; sharingd. covalent; transferarrow_forward6,7,8,9,10 lang po letters onlyarrow_forward
- A. Draw the Lewis Dot Structure of the molecule or ion OF2 B. Find the shape of the molecule or ion OF2 C. Draw the Lewis Dot Structure of the molecule or ion CH2F2 D. Find the shape of the molecule or ion CH2F2 E. Draw the Lewis Dot Structure of the molecule or ion PO3^-3 F. Find the shape of the molecule or ion PO3^-3arrow_forwardWhich bond is the longest? A. HF B. HCI C. HBr D. HIarrow_forwardWhen there is a reaction between each of these pairs ofatoms, ions form. Using Lewis symbols, write the reactions showing how electrons are lost or gained when theseatoms become ions.a. Na + O b. Na + S c. Si + Harrow_forward
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