Atoms and Elements

What is the chemical symbol for the element hydrogen

• H

• He

• h

• he

What is the chemical symbol for the element Carbon

• ca

• co2

• C

• Cd

The horizontal row on the periodic table is called a

• group

• family

• period

• atomic number

A vertical column is called...

• group

• tower

• period

• crew

The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in an atom.

The smallest particle of any particular type of matter is known by which of the following terms?

• Compound
• Atom
• Chemical
• Element

What is the atomic number?

• the number of protons

• the number of protons and neutrons

• the number of neutrons

• the number of protons and electrons

What are the electrons of the "outer shell" of an element called?

• VALENCE ELECTRONS

• COMPOUND

• ELEMENT

The chart that arranges elements by atomic number is:

• Atomic Number
• Metal
• Periodic Table
• Chart