Classify each element as atomic or molecular. a. bromine b. titanium c. oxygen d. potassium

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Identify whether each element is a metal or a non-metal. Metals are typically atomic, while non-metals can be either atomic or molecular.

Consider the state of each element at room temperature. Elements that exist as diatomic molecules in their natural state are molecular.

a. Bromine (Br) is a non-metal and exists as a diatomic molecule (Br₂) at room temperature, so it is molecular.

b. Titanium (Ti) is a metal and exists as individual atoms in its solid state, so it is atomic.

c. Oxygen (O) is a non-metal and exists as a diatomic molecule (O₂) at room temperature, so it is molecular. d. Potassium (K) is a metal and exists as individual atoms in its solid state, so it is atomic.

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Atomic Elements

Atomic elements consist of single atoms that are not bonded to other atoms. These elements exist in their pure form and include metals, nonmetals, and metalloids. For example, titanium and potassium are atomic elements, as they are found as individual atoms in their elemental state.

Molecular Elements

Molecular elements are composed of two or more atoms bonded together, typically of the same element. These elements exist as diatomic or polyatomic molecules in their natural state. An example is oxygen, which exists as O2, a diatomic molecule, and bromine, which exists as Br2.

Classification of Elements

Elements can be classified based on their atomic structure and bonding characteristics. This classification helps in understanding their physical and chemical properties. In the context of the question, recognizing whether an element is atomic or molecular is essential for proper categorization.