Unit 6 Chemistry Review

Front

How many single covalent bonds will elements in group 15 likely form?

Back

3

Front

What is a type of chemical bond where two atoms share a pair of electrons equally?

Back

Nonpolar covalent bond

Front

Which type of bond has the shortest bond length: single, double, or triple bond?

Back

Triple bond

Front

What is the correct molecular geometry for PO3-1 (phosphite ion)?

Back

Trigonal pyramidal

Front

What type of chemical bond involves a metal transferring electrons to a nonmetal?

Back

Ionic bond

Front

What is the definition of a covalent bond?

Back

A chemical bond formed by the sharing of electron pairs between atoms.

Front

What is the difference between polar and nonpolar covalent bonds?

Back

Polar covalent bonds involve unequal sharing of electrons, while nonpolar covalent bonds involve equal sharing.

Front

What is the significance of electronegativity in determining bond type?

Back

Electronegativity determines how strongly an atom attracts electrons; larger differences lead to ionic bonds, while smaller differences lead to covalent bonds.

Front

What is the molecular geometry of a molecule with four bonding pairs and no lone pairs?

Back

Tetrahedral

Front

What is the bond angle in a trigonal planar molecular geometry?

Back

120 degrees