Day 18: Test 2 Review

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

• groups

• towers

• periods

• atomic numbers

The Modern Periodic Table of Elements is arranged by

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Tags

NGSS.HS-PS1-1

The phases of the moon are __________ because they repeat in a pattern.

• periodic
• group
• awesome
• halogens

Tags

NGSS.MS-ESS1-1

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Tags

NGSS.HS-PS1-1

period

• Elements that occur in vertical columns on the periodic table.

• A horizontal row of elements in the periodic table

• Found in group two of the periodic table; highly reactive

• A subatomic particle that has a negative charge

found in group one of the periodic table; highly reactive

• Non-metals

• Transition Metals (Groups 3-12)

• alkali metals (group 1)

• metalloids (semimetals)

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

• Non-metals

• noble gases

• atomic mass

• Neutron

Found in group two of the periodic table; highly reactive

• period

• Alkali Earth Metals (Group 2)

• metalloids (semimetals)

• alkali metals (group 1)