PERIODIC TABLE QUIZ X Part I

1. The wrong statement about the development of the periodic table is ....
a. Dobereiner grouped the elements of three
b. a group of Li, Na, and K is called triad
c. the relative atomic mass of Na = the avarage of the other two
d. in the triad’s law there is a relationship between the atomic numbers
e. the three elements in the group have the same chemical properties
2. Mendeleev was tried to put the kown elements in a chart which showed a pattern of properties. He arranged the elements in vertical columns by ….
a. increasing atomic mass
b. increasing atomic number
c. increasing chemical properties
d. decreasing atomic number
e. decreasing mass number
3. Which statement is TRUE about the modern PERIODIC TABLE?
a. from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
b. elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group
c. the elements were originally laid out in order of atomic mass
d. the elements are laid out in order of number of neutrons
4. The rows of the periodic table are called ….
a. groups
b. periods
c. lines
d. classes
e. families
5. All of the elements in a period have the same ….
a. color
b. atomic weight
c. atomic mass
d. number of atomic shells
e. number of electrons
6. All of the elements in a group have the same number of ….
a. atoms
b. neutrons
c. molecules
d. atomic shells
e. electrons in their outer shell
7. The periodic table is called this way because it describes ….
a. the periodic motion of celestial bodies.
b. the periodic arrangement of chemical elements.
c. the signs of the zodiac in a new way.
d. the arrangement of many atoms
e. the periodic structure of substances
8. Moseley arranged the elements in order of increasing ….
a. atomic mass
b. atomic number
c. negative charge
d. neutral particle
e. atomic number
9. All the statements below are correct, except ….
a. atomic number is increase across the periods
b. there are 7 periods, one for each energy level
c. elements in the horizontal rows have similar properties
d. there are 8 main groups and 8 groups of transition elements
e. properties of elements change from group to group across a period
10. The periodic law states that when the elements are arranged according to increasing atomic number, there is a periodic pattern in ….
a. atomic mass
b. mass number
c. chemical properties
d. physical and chemical properties
e. mass number and physical properties
11. The first element in the periodic table is ….
a. helium
b. carbon
c. gold
d. hydrogen
e. silver
12. Which statement is TRUE about the modern Periodic Table?
a. a period is a complete horizontal row of elements of different chemical character
b. elements behave in the same way when the same number of electron shells are used
c. a group is a vertical column of very different elements
d. about a 1/4 of the elements are metals
13. The periodic table can be divided into groups based on configuration of the electrons; the correct statement is ….
a. noble gases have outermost shells filled
b. group 1A, very reactive with two electrons in the outer shell
c. group 2A, quite reactive with one electron filling their outer shell
d. group 6A, very reactive with 6 electrons in outer energy level
e. group 7A, unreactive with 7 electrons in the outer energy level
14. As the atoms of the elements in Group 1 of the Periodic Table are considered from top to bottom, the number of valence electrons in the atoms of each successive element ….
a. vary
b. decreases
c. increases
d. quite different
e. remains the same
15. The elements in Period 3 all contain the same number of ….
a. protons
b. neutrons
c. electrons
d. valence electrons
e. shells
16. The position of X–15 in the periodic table is ….
a. group IA, 3th period
b. group IIA, 3th period
c. group VA, 3th period
d. group IA, 4th period
e. group IIA, 4th period
17.In which shell are the valence electrons of the elements in Period 2 found?
a. 1
b. 2
c. 3
d. 4
e. 5
18. Four electron arrangements are given below. Which is of a Period 2 element?
a. 2
b. 2,3
c. 2,8.3
d. 2,8,8,2
e. 2,8,18,8,1
19. Four electron arrangements are given below. Which is of a Noble Gas?
a. 2
b. 2,3
c. 2,8,3
d. 2,8,5
e. 2,8,8,2
20.Which element is an alkali metal?
a. H
b. Na
c. M
d. Al
e. Cl