Fall Semester Exam Review (Adv)

Front

What is the noble gas configuration for Cobalt?

Back

[Ar] 4s² 3d⁷

Front

A wave with a large wavelength will have a ______ frequency and _____ energy.

Back

low frequency and low energy

Front

Covalent compounds __________.

Back

Share electrons

Front

All electromagnetic waves have the same __________.

Back

speed

Front

Calculate the percent water by mass in a hydrate if the original mass is 15.67 g and the mass after heating is 7.58 g.

Back

51.63%

Front

What is the definition of a noble gas configuration?

Back

The electron configuration of an element that matches the electron configuration of the nearest noble gas.

Front

What is the relationship between wavelength, frequency, and energy in waves?

Back

As wavelength increases, frequency decreases and energy decreases.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds transfer electrons, while covalent bonds share electrons.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

Approximately 3.00 x 10^8 meters per second.

Front

How do you calculate percent by mass?

Back

(mass of solute / total mass) x 100%.