Chemistry Final Part 1 STUDY GUIDE

Who proposed the concept of atoms?

• Democritus
• John Dalton
• J.J. Thomson
• Ernest Rutherford

How did chemists begin to organize the known elements?

• By color
• By number
• By properties
• By size

What information can be displayed in a periodic table?

• Names of elements
• Symbols of elements
• Atomic number and atomic mass
• All of the above

What are the elements in Group 1A of the periodic table called?

• Alkali metals
• Alkaline earth metals
• Halogens
• Noble gases

Which group of elements are referred to as representative elements?

• Group 1A through 7A
• Group 8A
• Transition metals
• Inner transition metals

Which sublevels are completely filled with electrons in the noble gases?

• s and p
• s and d
• p and d
• f and d

Which elements belong to the d block in the periodic table?

• Alkali metals
• Halogens
• Transition metals
• Noble gases

What is the electron configuration for nickel (Ni)?

• 1s2 2s2 2p6 3s2 3p6 3d8 4s2
• 1s2 2s2 2p6 3s2 3p6 3d10 4s2
• 1s2 2s2 2p6 3s2 3p6 3d8 4s1
• 1s2 2s2 2p6 3s2 3p6 3d10 4s1

Which block of elements does helium belong to?

• s block
• p block
• d block
• f block

What does the group number of a representative element tell you?

• Number of electrons in the highest occupied energy level
• Number of protons in the nucleus
• Number of neutrons in the nucleus
• Number of energy levels