Honors Chemistry Final Exam

What is the volume in this buret?

• 24.1mL
• 24.3mL
• 24.2L
• 24.2mL

As the temperature of a sample of H₂O_(l) deceases, the average kinetic energy of its molecules will

• a. decrease

• b. increase

• c. remain the same

What kelvin temperature is equivalent to -24 ⁰C?

• a. 226 K

• b. 249 K

• c. 273 K

• d. 297 K

The atomic mass of titanium is 47.88 atomic mass units. This atomic mass represents the

• a. total mass of all of the protons and neutrons in the atom of Ti

• b. total mass of all the protons, neutrons, electrons in an atom of Ti

• c. weighted average mass of the most abundant isotope of Ti

• d. weighted average mass of all the naturally occurring isotopes of Ti

More than two-thirds of the elements are classified as

• a. nonmetals

• b. metals

• c. metalloids

• d. noble gases

The arrangement of the elements in the present Periodic Table is based on atomic

• a. mass

• b. number

• c. radius

• d. density

Atoms of elements in a group on the Periodic Table have similar chemical properties. This similarity is most closely related to the atoms'

• a. number of principal energy levels

• b. number of valence electrons

• c. atomic numbers

• d. atomic masses

As you move from right to left and top to bottom on the periodic table, atomic radius:

• increases.

• decreases.

• shows no pattern.

• stays the same.

Which part of the Periodic Table contains elements with the strongest metallic properties?

• a. upper left

• b. upper right

• c. lower left

• d. lower right

In the ground state, atoms of the elements in Group 15 of the Periodic Table all have the same number of

• a. filled principal energy levels

• b. occupied principal energy levels

• c. neutrons in the nucleus

• d. electrons in the valence shell