Chemistry Semester 1 Exam Practice

Front

What type of orbital is represented by a dumbbell shape?

Back

P orbital.

Front

Which block on the periodic table contains the lanthanide and actinide series?

Back

F-block.

Front

How do you calculate the wavelength of a photon given its frequency?

Back

Wavelength (λ) = Speed of light (c) / Frequency (f).

Front

What is the charge of an electron?

Back

-1.

Front

What is a qualitative observation?

Back

An observation that describes qualities, such as color.

Front

What is the shape of an S orbital?

Back

Spherical.

Front

What is the charge of a proton?

Back

+1.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics; quantitative data involves numbers.

Front

What is the speed of light in a vacuum?

Back

Approximately 3.00 x 10^8 m/s.

Front

What is the principle behind the emission of a photon?

Back

When an electron transitions from a higher energy level to a lower energy level.