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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

The elements bordering the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Tags

NGSS.HS-PS1-1

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Is silicon a metal, nonmetal or metalloid?

• Metal
• NonMetal
• Metalloid

Tags

NGSS.MS-PS1-1

Which class is the most abundant in the periodic table?

• non-metals

• metals

• metalloids

• transition metals

How many periods are in the periodic table?

• 10

• 7

• 18

• 8

What are the red elements in the periodic table?

• alkali metals

• transition metals

• alkaline earth metals

• halogens

What metal is a liquid at room temperature?

• mercury

• calcium

• sodium

• lithium

Tags

NGSS.MS-PS1-4