Unit 2 Quiz

Describe the behavior of particles in a liquid

• They do not move around, vibrate in place

• They slide over each other and remain close

• They are far apart and have random motion

• They do not move at all

This image is an example of...

• liquid

• solid

• plasma

• gas

CHECK ALL THAT APPLY: Characteristics of particles in a solid are

• close to each other

• far apart

• vibrate in place

• have a definite shape and volume

What phase is present at segment A-B on the picture?

• solid

• liquid

• gas

• plasma

What occurs at segment D-E?

• melting

• liquid is warming

• boiling

• freezing

CHECK ALL THAT APPLY: Which of the following are signs of a chemical change?

• color change

• phase change

• bubbles

• heat produced

• change in shape

CHECK ALL of the physical properties of the image

• luster

• Melting point of 1065 ^oC

• fairly unreactive metal

• malleable

• density of 19.3 g/mL

How many valence electrons does an atom of Nitrogen have?

• 2

• 15

• 7

• 5

Who is the father of the Periodic Table?

• Mosley

• Bohr

• Michael

• Mendeleev

• Democritus

What is the name of Group 2 on the Periodic Table

• Alkali metals

• Alkaline Earth metals

• Halogens

• Noble Gases