Chapter 2- Practice The particle in an atom that has a positive charge is a 2. 1

Question

Chapter 2- Practice The particle in an atom that has a positive charge is a 2. 1. them: List the particles that have weight associated with 3. List the particles in the nucleus of an atom 4, and s formed when two or more atoms unite, a 5. Molecules are subunits of 6. 7. What type of mixture is homogene eous, where one compound dissolves in another? bonds. What type of mixture is het Chemical bonds where atoms share electrons are called Chemical bonds where bonds. erogeneous, where one compound separates out? 8. 9· tr e electrons are transferred from one atom to another are 10. A pH reading of less than 7 is 11. A pH level of 3 istimes more acidic than pH 6. in OI? 12. Oxygen has an atomic M of 8. How many electrons are present oeh an atomic weight of 14. How many neutrons are in the isotope Nitrogen-17? 16. Three organic compounds in the body arelycosen, Polysaccharides, St 18. Circle the substance that is organic: NaCl, Water, Phospholipids, O2 14. The most abundant compound in the body is 15. The most abundant element in the body is . 17. Circle the substance that is NOT a carbohydrate: 19. Enzymes are examples of (circle the correct answer): Carbohydrates, Proteins, Lipids, Nucleic

Explanation / Answer

1. The answer is protons.
2. The answer is Electrons and neutrons.
3. The answer is Protons and neutrons.
4. The answer is Molecule.
5. The answer is compound.

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