Physical Properties of some Elements

Here are some elements we introduced in class. I'll expect you to know this information.

Element

Physical Property

The element hydrogen is a clear, colorless gas.

The element helium is a clear, colorless gas.
All the Noble Gases are clear and colorless.

The element nitrogen is a clear, colorless gas.

The element oxygen is a clear, colorless gas.

The element chlorine is a clear, yellowish-green gas.

The element bromine is a clear, reddish-brown liquid.

The element lithium is a soft, gray, solid.
Not lithium is harder than sodium and it loks harder.
Although is sounds funny to say something 'looks'
harder than something else.

The element sodium is a soft, silvery solid.

The element potassium is a silvery solid.

The element rubidium is also a soft, silvery solid.
The image to the left is coated with some oxide, giving
it a look which is other than silvery.

The element cesium is also a soft, silvery solid.
The image to the left is coated with some oxide, giving
it a look which is other than silvery.