Name:
Chemistry Questions
Section 2
Match the term below with its example or definition. Write the proper term on the line.
moleculesolution mixturesolute ion metalsnonmetals
compoundpolar moleculecompoundsolvent ionmetalloids
1. ______are shiny, good conductors and malleable.
2. Table salt is an example of a ______.
3. An electrically charged atom is an ______.
4. Water is an example of a ______.
5.Matter formed by two or more elements that when joined have properties different than the original elements is known as a ______
6. The smallest part of a compound is a ______.
7.Two or more elements, compounds, or both combinedwithout a chemical reaction make a ______.
8.A mixture in which one substance is dissolved into another is a ______.
9.The more-abundant substance in a solution is the ______.
10. The less-abundant substance in a solution is the ______.
11. ______are dull, poor conductors and brittle.
12. ______have characteristics of both metals and nonmetals.
13. A positively charged _____ has more protons than electrons.
Combinations of Atoms
ldentify each of the following as a mixture (m) or a compound (c). Write the answers in on the line.
_____14. H20_____17. salt water_____20. NaCl + H20____ 23. Sweetened tea
_____15. solution_____18. salt_____21. air
_____16. NaC1_____19. Water_____22. vinegar and oil
Short Answer:
24.Compare and contrast an ionic bond with a covalent bond.
25. List two properties of a metal and two properties of a nonmetal.
Use the words below to complete the statements. You may use the words more than once. Write the answers on the lines.
molecule compound ions mixture solution transferred shared electrons
26. The components of a ______can be separated by physical means.
27. A ______is a substance that has different properties than the elements in it.
28. A ______is the smallest particle of a compound that still retains the properties of the compound.
29. Electrically charged atoms are ______.
30. A salt water mixture is an example of a ______.
31. Table salt is formed when the electrons of sodium are ______to the chlorine atom.
32. The electrons of hydrogen and oxygen atoms are ______to form the compound water.
33. A(n) ______cannot be separated into its individual elements by physical means.
34. H20 is a compound formed by sharing ______.
COMPLETE THE CHART
The chart below asks for some information about certain molecules. Try to complete the chart by filling in the missing information. You may use the list of elements and their symbols.
Formula and Name / Number of Elements / Names of the Elements / Number of Atoms Each Element / Total Number of Atoms In One Moleculeexample / Methane
CH4 / 2 / Carbon
Hydrogen / 1
4 / 5
35-38. / sulfur dioxide
SO2
39-42. / ammonia
NH3
43-46. / epsom salts
MgSO
47-50. / Hydrogen peroxide
H2O2