The Periodic Table Quiz 1

Which phrase describes the crystal structure and properties of two different forms of solid carbon called diamond and graphite?

• same crystal structure and same properties

• same crystal structure and different properties

• different crystal structure and different properties

• different crystal structure and same properties

Which general trend is observed as the elements in Period 2 are considered from left to right?

• Atomic mass decreases.

• Melting point increases.

• Electronegativity increases.

• First ionization energy decreases.

Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?

• Na

• Ar

• P

• Cl

Reorder the following from highest (5) to lowest (1) boiling point.

• Ca

• Ge

• Fe

• He

• Br

At 298 K and 1 atm, which noble gas has the lowest density?

• Ne

• Kr

• Xe

• Rn

Which element is a liquid at 1000. K?

• Ag

• Al

• Ca

• Ni

Which term refers to how strongly an atom of an element attracts electrons in a chemical bond with an atom of a different element?

• entropy

• electronegativity

• activation energy

• first ionization energy

Which element has a melting point higher than the melting point of rhenium?

• iridium

• osmium

• tantalum

• tungsten

Name the isotope that has a mass number of 40 and 29 neutrons.

• Zr-40

• Cu-40

• Na-40

Which list of symbols represents nonmetals, only?

• B, Al, Ga

• Li, Be, B

• C, Si, Ge

• P, S, Cl