Periodic Table Trends

Which two elements are in the same period?

• boron (B) and lithium (Li)

• beryllium (Be) and calcium (Ca)

• phosphorus (P) and oxygen(O)

• boron (B) and phosphorus (P)

Which pair of elements would most likely have similar properties?

• Calcium (Ca) and cobalt (Co)

• sodium (Na) and chlorine (Cl)

• boron (B) and phosphorus (P)

• oxygen (O) and sulfur (S)

Find the element on Period 3 and Group 17. What is this element’s chemical symbol?

• F

• Br

• Cl

• I

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

Elements which are shiny, conduct electricity and heat are called

• metals

• nonmetals

• metalloids

• nonexistent

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.MS-PS1-1

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Hydrogen

In the modern periodic table elements are arranged by:

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

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Tags

NGSS.HS-PS1-1

What determines the order of elements on today's periodic table?

• increasing atomic mass

• decreasing atomic mass

• increasing atomic number

• decreasing atomic number

Tags

NGSS.HS-PS1-2