8th Grade Unit 2 Quiz

What is the basic building block of an element?

NaCl is an example of a

What is the atomic number of Boron (B)?

True or False: There are more metals than non-metals on the periodic table.

The _____ number is the amount of protons or electrons in an atom.

What is the symbol for Sodium?

Physical/Chemical Change: Water boiling

Element is

True/False - The Noble Gases are very reactive.

True/False - Electrons are in the nucleus.

Sodium catches fire when it hits water. What is happening?

What element is in group (Column) 16, period (Row) 3

Metalloids have characteristics of

A proton has a _______ charge

A compound is two or more elements chemically bound

The atomic mass (mass number) of an element is equal to ______

Reactive means ________

Lead is an example of a

There can be up to ____ electrons in the 2nd energy shell.

An atom is made up of proton, electron, and ________

Chemical/Physical Change: Fermenting cheese