Posted On : 08-Feb-2018

Q1: The horizontal rows in a periodic table are called

• A. Lanthanides
• B. Atomic Structures
• C. Groups
• D. Periods

Q2: The law that "the physical and chemical properties of elements are periodic functions of their atomic weights" was given by

• A. Moseley
• B. Bohr
• C. Mendeleev
• D. Lothar Meyer

Q3: Elements at the extreme right of the periodic table are

• A. Halogens
• B. Noble Gases
• C. Alkali Metals
• D. Transition Metals

Q4: The least reactive elements of the periodic table are

• A. Transition Metals
• B. Noble Gases
• C. Alkaline Earth Metals
• D. Alkali Metals

Q5: Magnesium has an atomic number of

• A. 12
• B. 10
• C. 16
• D. 24

Q6: The law that "the properties of elements are periodic functions of their atomic numbers" was given by

• A. Heisenberg
• B. Linus Pauling
• C. Moseley
• D. Mendeleev

Q7: The first element in the modern periodic table is

• A. Lithium
• B. Hydrogen
• C. Oxygen
• D. Helium

Q8: Nobel gases are present in

• A. VIIA group
• B. VIA group
• C. VA group
• D. VIIIA group

Q9: Chemical properties depends upon

• A. electronic configuration
• B. valence shell electronic configuration
• C. atomic mass
• D. none of above

Q10: First three periods are

• A. long periods
• B. short periods
• C. moderate periods
• D. none of above