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1. Naming Covalent Compounds
What is the name of the covalent compound CCl4 ?
What is the name of the covalent compound N2O5?
2. Octet Rule and Ions
Construct an orbital diagram to show the electron configuration for a neutral magnesium atom, Mg .
To form a stable ion, will magnesium gain or lose electrons? How many electrons?
Match each ion with the noble gas whose electron configuration it shares.
3. Writing Ionic Formulas
What is the formula for iron(III) oxide?
What is the formula for strontium chloride?
Sort the following chromium compounds by whether the cation is chromium(II) or chromium(III).
4. Covalent Molecules and the Octet Rule
Below is the structure of acetyl chloride, drawn with bonds and electron dots. Determine how many nonbonding and bonding electrons are shown.
Which structure below represents a molecule with the correct electron dot formula?
5. Polyatomic Ions
What is the name of the ionic compound BaCO3?
What is the molecular formula for ammonium nitrate?
6. Ionic Compounds
Determine whether the following pairs of elements can form ionic compounds.
What is the formula for an ionic compound that contains the elements calcium and fluorine?
7. Molecular Shapes
Match each two-dimensional structure to its correct three-dimensional description.
8. Writing Electron-Dot Structures
If the boron nitride molecule, BN, were to form, what would its structure look like?
State the number of electrons that must be gained by atoms of each of the following elements to acquire a noble gas electron arrangement.
Part A. Cl
Part B. O
Part C. N
Part D. I
Part E. P
How many protons and electrons are in the following ions?
Part A. O2-
Part B. K+
Part C. Br-
Part D. S2-
Part E. Sr2+
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