Parts of the Periodic Table

• Periods
• Groups

The atomic number tells you what?

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

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

Tags

NGSS.MS-PS1-1

In the modern periodic table elements are arranged by:

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

The periodic table is organized into columns called _______ and rows called ______.

• groups and periods

• periods and groups

• categories and periods

• categories and groups

The part of the atom that determines the identity of the atom is the ____________.

• proton
• nucleus
• electron
• neutron

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

Elements which are shiny and conduct electricity and heat are called

• metals
• nonmetals
• metalloids
• nonexistent

The yellow atoms are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.MS-PS1-1

The atoms along the stair step or zig-zag line are called 

• metals
• nonmetals
• metalloids
• noble gases