Study the Bohr Model of an atom provided for you. Select ALL statements that are

Question

Study the Bohr Model of an atom provided for you. Select ALL statements that are TRUE statements. Bohr Model 8p 8n A covalent bond is formed when two atoms share one or more pairs of electrons. O A slightly positive hydrogen atom on one water molecule can attract the slightly negative oxygen atom on a different water molecule, leading to the formation of a hydrogen bond. O Although C and H differ slightly in electronegativity, this small difference is negligible, and C-H bonds are considered polar A water molecule is held together by two single polar covalent bonds. O In a nonpolar covalent bond there is an equal sharing of electrons between two atoms while polar covalent bonds involve an unequal sharing of electrons

Explanation / Answer

TRUE statements:

1. First statement

2. Second statement

3. Fourth statement

4. Fifth statement

5. Eighth statement

6. Ninth statement

The third statement is false because C-H bond is covalent.

The sixth statement is false because a single molecule of oxygen is held together by two nonpolar covalent bonds (O=O)

The seventh statement is false because electronegativity decreases down each column.

The tenth statement is false because of the four most common elements found in living organisms (O, C, H and N); oxygen has the highest electronegativity.

The eleventh statement is false because "Atoms differ in their affinity for electrons, a property called electronegativity."

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