Chemistry Quiz

In the Bohr model of the atom, an electron in an orbit has a fixed

• energy
• Pauli Exclusion Principle

• electron configuration

A lead cylinder has a mass of 540 grams and a density of 2.70 g/ml. Calculate the volume of the lead cylinder-

• 100ml

• 200ml

• 300ml

• 400ml

What is the maximum number of orbitals in the p sublevel-

• 1

• 2

• 3

• 4

What is the energy required to remove an electron from an atom in the gaseous state called-

• ionization energy

• electron affinity

• electronegativity

Each period in the periodic table corresponds to a (n)-

• principal energy level

• sublevel

• orbital

The letter “p” on the symbol 4p3 indicates the-

• orbital shape

• energy level

• sublevel

Which of the following is true about the electron configuration of the noble gases-

• the highest occupied s and p sublevel are completely filled

• they have unpaired electrons

• they are all gases at room temperature

Emission of light from an atom occurs when an atom-

• drops from a higher to a lower level

• absorbs energy

• is ionized

Which of the following elements has a lower electronegativity-

• lithium

• fluorine

• oxygen

Which variable is directly proportional to frequency-

• energy

• wavelength

• mass