Chapter 1 & 2

Chemical bonding occurs only by transferring valence electrons between the atoms.

• TRUE

• FALSE

The molecular shape of a water molecule, H₂O, is linear.

• TRUE

• FALSE

The neutralization reaction is endothermic and the enthalpy change is positive.

• TRUE

• FALSE

Total enthalpy change for a chemical reaction is dependent on the route by which the reaction takes place.

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• FALSE

Energy is released in all chemical reactions.

• TRUE

• FALSE

To transfer a valence electron, the atom must have higher electronegativity than another atom.

• TRUE

• FALSE

Beryllium chloride, BeCl₂, is a stable molecule that follows the octet rule.

• TRUE

• FALSE

An endothermic process may be used as a cooling system,

• TRUE

• FALSE

Carbon tetrachloride, CCl₄, is a polar covalent molecule.

• TRUE

• FALSE

In an exothermic reaction, the surrounding temperature is increased.

• TRUE

• FALSE