Mendeleevs periodic table

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

Elements which are shiny, conduct electricity and heat are called

• metal

• nonmetal

• metalloid

• nonexistent

Tags

NGSS.MS-PS1-1

Which group of the periodic table is composed of inert (not reactive) gases with 8 valence electrons?

• alkali metals

• alkaline earth metals

• halogens

• noble gases

not able to conduct heat or electricity, little to no metallic luster

• Non-metals

• noble gases

• atomic mass

• Neutron

The atomic number tells you what?

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

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

Tags

NGSS.HS-PS1-1

Sodium (Na) is found in group 

• 1
• 2
• 3
• 4

The atomic number tells you what?

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

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

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