Unit 3 - Periodic Table Review

The first energy shell can hold ______ electrons.

• 2

• 8

• 18

Tags

NGSS.MS-PS1-1

Who invented the Periodic Table?

• Mendeleev

• Bohr

• Lewis

• Democritus

Rows on the periodic table are called ___________.

• Periods

• Sentences

• Fences

The columns in the periodic table are called ___________.

• Towers

• Herds

• Groups

Elements in the same group have __________

• Similar Properties

• Same number of shells

• Similar Mass

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

Calcium is most like which of the following?

• Barium
• Potassium
• Cesium
• Nitrogen

Beryllium is in group number______.

• Group 2
• Group 3
• Group 4
• Group 7

The period for Bromine is ___________.

• 3
• 2
• 4