A property that can be observed when there is a change in the composition of a substance 2. A colorless gas…

Question

A property that can be observed when there is a change in the composition of a substance 2. A colorless gas that is in higher amounts in exhaled air than in inhaled air 3. The lightest and most abundant element in the universe and is usually classified as a nonmetal 4. The most plentiful gas in air 5. A branch of chemistry that studies carbon and carbon compounds 6. Water is often called this due to its excellent ability to dissolve other substances 7. The common name for sodium chloride 8. A colorless, odorless, and tasteless gas that makes up about 21 percent of the air that we breathe 9. This compound covers approximately 70% of Earth’s surface and also makes up about 70% of the mass of the average human body 10. Refers to the tendency of atoms to prefer to have eight electrons in the valence shell 11. The most significant chemical reaction of carbon dioxide 12. An atom or group of combined atoms that has a charge because of the loss or gain of electrons 13. The strong attractive force between ions of opposite charges 14. A regular, repeating arrangement of atoms, ions, or molecules 15. The state of an atom achieved by having the same valence electron configuration as a noble gas atom; the most stable configuration 16. A compound whose atoms are held together by covalent bonds 17. An uncharged group of two or more atoms held together by covalent bonds 18. A diagram in which dots or other small symbols are placed around the chemical symbol of an element to illustrate the valence electrons 19. A compound that is composed of ions 20. The attraction of two atoms for a shared pair of electrons 21. Any compound that conducts electricity when dissolved in water or melted 22. A compound that only contains two elements 23. The forces between particles that make up a substance 24. The simplest ration of ions in a compound 25. A compound in which there is a specific ration of water to ionic compound 26. Compounds that easily absorb water from air 27. The charge on an ion or an element; cam be positive or negative 28. A substance that takes up enough water from the air that it dissolves completely to a liquid solution 29. A compound in which all water has been removed, usually by heating 30. The method of separating substances in a mixture by evaporation of a liquid and subsequent condensation of its vapor 31. Molecules of a single element that differ in crystalline or molecular structure 32. A molecule that forms when atoms of the same element bond together 33. Compounds which contain carbon 34. Compounds that do not contain carbon 35. Organic compounds that contain only the elements hydrogen and carbon Word Bank Salt Ionic bond Nitrogen Allotropes Deliquescent Carbon dioxide Crystal Organic compounds Hydrocarbons Octet rule Chemical property Noble gas configuration Oxidation number Molecule Organic chemistry Hydrogen Anhydrous Oxygen Lewis dot diagram Inorganic compounds Universal solvent Distillation Photosynthesis Covalent bond Ion Water Hygroscopic substances Electrolyte Covalent compound Molecular element Binary compound Hydrate Ionic compound Interparticle forces Formula unit

ScanSolve AI Tutor · Accepted Answer

Question 1: 1. A property that can be observed when there is a change in the composition of a substance Chemical property --- Question 2: 2. A colorless gas that is in higher amounts in exhaled air than in inhaled air Carbon dioxide --- Question 3: 3. The lightest and most abundant element in the universe and is usually classified as a nonmetal Hydrogen --- Question 4: 4. The most plentiful gas in air Nitrogen --- Question 5: 5. A branch of chemistry that studies carbon and carbon compounds Organic chemistry --- Question 6: 6. Water is often called this due to its excellent ability to dissolve other substances Universal solvent --- Question 7: 7. The common name for sodium chloride Salt --- Question 8: 8. A colorless, odorless, and tasteless gas that makes up about 21 percent of the air that we breathe Oxygen --- Question 9: 9. This compound covers approximately 70% of Earth’s surface and also makes up about 70% of the mass of the average human body Water --- Question 10: 10. Refers to the tendency of atoms to prefer to have eight electrons in the valence shell Octet rule --- Question 11: 11. The most significant chemical reaction of carbon dioxide Photosynthesis --- Question 12: 12. An atom or group of combined atoms that has a charge because of the loss or gain of electrons Ion --- Question 13: 13. The strong attractive force between ions of opposite charges Ionic bond --- Question 14: 14. A regular, repeating arrangement of atoms, ions, or molecules Crystal --- Question 15: 15. The state of an atom achieved by having the same valence electron configuration as a noble gas atom; the most stable configuration Noble gas configuration --- Question 16: 16. A compound whose atoms are held together by covalent bonds Covalent compound --- Question 17: 17. An uncharged group of two or more atoms held together by covalent bonds Molecule --- Question 18: 18. A diagram in which dots or other small symbols are placed around the chemical symbol of an element to illustrate the valence electrons Lewis dot diagram --- Question 19: 19. A compound that is composed of ions Ionic compound --- Question 20: 20. The attraction of two atoms for a shared pair of electrons Covalent bond --- Question 21: 21. Any compound that conducts electricity when dissolved in water or melted Electrolyte --- Question 22: 22. A compound that only contains two elements Binary compound --- Question 23: 23. The forces between particles that make up a substance Interparticle forces --- Question 24: 24. The simplest ratio of ions in a compound Formula unit --- Question 25: 25. A compound in which there is a specific ratio of water to ionic compound Hydrate --- Question 26: 26. Compounds that easily absorb water from air Hygroscopic substances --- Question 27: 27. The charge on an ion or an element; can be positive or negative Oxidation number --- Question 28: 28. A substance that takes up enough water from the air that it dissolves completely to a liquid solution Deliquescent --- Question 29: 29. A compound in which all water has been removed, usually by heating Anhydrous --- Question 30: 30. The method of separating substances in a mixture by evaporation of a liquid and subsequent condensation of its vapor Distillation --- Question 31: 31. Molecules of a single element that differ in crystalline or molecular structure Allotropes --- Question 32: 32. A molecule that forms when atoms of the same element bond together Molecular element --- Question 33: 33. Compounds which contain carbon Organic compounds --- Question 34: 34. Compounds that do not contain carbon Inorganic compounds --- Question 35: 35. Organic compounds that contain only the elements hydrogen and carbon Hydrocarbons

Still stuck on this one?

More Chemistry Questions