Matching:
Word Bank
A) AtomsB) ElementsC) ProtonsD) NeutronsE) Electrons
F) Periodic Table G) Atomic NumberH) Atomic Mass I) PeriodsJ) Groups
K) Valence ElectronsL) MetalsM) NonmetalsN) MetalloidsO) Reactants
P) ProductsQ) Molecule R) CompoundS) SynthesisT) Decomposition
U) Displacement
1. rows of elements on the periodic table
2. the number of protons within the atom of a certain element
3. positively charged particles located in the nucleus of an atom
4. negatively charged particles that orbit the nucleus of an atom
5. particles with no charge located in the nucleus of an atom
6. different kinds of atoms
7. chart that arranges elements in order of their atomic numbers
8. the number of protons and neutrons within the atom of a certain element.
9. the number of electrons in the outside shell of an atom
10. starting substances in a chemical reaction
11. substances formed after a chemical reaction
12. molecule that contains at least two different elements
13. two or more atoms joined together chemically
14. a chemical reaction in which a compound breaks apart into simpler substances
15. a chemical reaction in which two or more elements or compounds combine
16. a chemical reaction in which one element trades places with another element
17. columns of elements on the periodic table
18. tiny building blocks of matter; smallest unit of matter
19. elements that are shiny, ductile, malleable, and good conductors of thermal and electric energy
20. elements that are brittle, dull, and not good conductors of thermal and electric energy
21. elements that have properties of both metals and nonmetals
Multiple Choice:
22. What is the atomic number of beryllium?
a) 9.012
b) 4
c) 10. 81
d) 5
23. How many protons are in a magnesium atom?
a) 12
b) 24.31
c) 42
d) 95.94
24. How many electrons are in a carbon atom?
a) 40.08
b) 20
c) 6
d) 12.01
25. How many neutrons are in a fluorine atom?
A) 10
B) 9
C) 19
D) 26
26. How many electrons can fit on the first electron shell of an atom?
A) 18
B) 8
C) 2
D) 0
27. How many electrons can fit on the second electron shell of an atom?
A) 18
B) 8
C) 2
D) 0
28. How many valence electrons are in an oxygen atom? (You may need to draw a Bohr model of oxygen to figure out the answer.)
A) 2B) 6C) 8D) 0
29. Which element does the following Bohr model represent?
A) HydrogenB) Sodium C) Magnesium D) Neon
30. Magnesium, potassium, and sodium are classified as:
A) metals B) nonmetals C) metalloids D) gases
30. Carbon, oxygen, and hydrogen are classified as:
A) metals B) nonmetals C) metalloids D) solids
31. Silicon and boron are classified as:
A) metals B) nonmetals C) metalloids D) plasmas
32. Which group of the periodic table is very reactive and includes the elements Li, Na, and K?
A) Alkaline earth metals B) Alkali metals C) Transition Metals D) Halogens
33. Which group of the periodic table reacts quickly and includes the elements Be, Mg, and Ca?
A) Alkaline earth metals B) Alkali metals C) Transition Metals D) Halogens
34. Which group of the periodic table contains metals of the highest density, boiling point, and strength and includes the elements Ni, Cu, and Au?
A) Alkaline earth metals B) Alkali metals C) Transition Metals D) Halogens
35. Which group of the periodic table contains the most reactive nonmetals and include the elements Fl, Cl, and Br?
A) Alkaline earth metals B) Alkali metals C) Noble gases D) Halogens
36. Which group of the periodic table contains gases that are not reactive and include the elements He, Ne, and Kr?
A) Alkaline earth metals B) Alkali metals C) Noble gases D) Halogens
37. What are the reactants in the following chemical reaction?
Ca + H2O -----> Ca(OH)2+ H2
A) Ca and H2O B) Ca(OH)2 and H2 C) Ca and H2 D) H20 and H2
38. What are the products in the following chemical reaction?
AlO -----> 2Al + O2
A) AlO B) 2Al and O2 C) AlO and O2 D) AlO and 2Al
39. What should the following chemical reaction be classified as?
C + O2 -----> CO2
A) Synthesis B) Decomposition C) Displacement D) Physical
40. What should the following chemical reaction be classified as?
AlO-----> 2 Al + O2
A) Synthesis B) Decomposition C) Displacement D) Physical
41. What should the following chemical reaction be classified as?
Zn + CuCl2-----> Cu + ZnCl2
A) Synthesis B) Decomposition C) Displacement D) Physical
1