The Periodic Table

Which of the following is a gas?

• Carbon
• Oxygen
• Chromium
• Bromine

What state of matter are the majority of elements on the periodic table?

• Solid
• Liquid
• Gas
• Plasma

Which is the last naturally-ocurring element on the periodic table?

• Plutonium (Pu)
• Aluminum (Al)
• Uranium (U)
• Einsteinium (Es)

Which pairs of elements would you expect to have the most similar properties?

• germanium, Ge, and silicon, Si
• copper, Cu, and gallium, Ga
• nitrogen, N, and oxygen, O
• hydrogen, H, and helium, He

Tags

NGSS.HS-PS1-1

Except for aluminum, the elements touching the stair-step are:

• Metalloids
• Nonmetals
• Gases
• Metals

Which group contains the most reactive nonmetals?

• noble gases
• halogens
• transition elements
• alkaline earth metals

Which group contains the most reactive metals?

• noble gases
• Alkali metals
• Transition Metals
• alkaline earth metals

Which group is the least reactive group of elements in the periodic table?

• alkali metals
• halogens
• transition metals
• noble gases

Tags

NGSS.HS-PS1-2

Which of the following elements has the greatest reactivity?

• K
• Na
• Li
• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The horizontal rows on the periodic table are called ___________

• groups
• periods
• elements
• families