Question

questions 1. i am a chemical formula that consists of at least two different types of atoms. what am i? 2. i sometimes include molecules. what am i? 3. i am a single chemical. what am i? 4. what are some examples of elements and compounds? 5. are element and compound formulas both found on the periodic table?

Explanation:

1. A chemical formula with at least two different - types of atoms is a compound. 2. Substances that sometimes include molecules can be compounds. 3. A single chemical is an element. 4. Examples of elements are hydrogen (H), oxygen (O); examples of compounds are water (H₂O), carbon - dioxide (CO₂). 5. Only elements are found on the periodic table, not compounds.

Answer:

1. Compound
2. Compound
3. Element
4. Elements: hydrogen (H), oxygen (O); Compounds: water (H₂O), carbon - dioxide (CO₂)
5. No, only elements are on the periodic table.