Chemistry 9 Chem Review Q

a group of elements that are malleable, shiny, and good conductors of heat and electricity; located to the left of the periodic table

• Alkali metals
• Alkaline earth
• Metals
• Non-metals

a group of elements that are brittle, have a dull luster, and do not conduct much heat or electricity; located to the right of the periodic table

• Alkali metals
• Alkaline earth
• Metals
• Non-metals

Who organized the periodic table of the elements the way we know it today?

• Bohr
• Einstein
• Newton
• Dmitri Mendeleev

What is the periodic table of the elements organized by?

• Alphabetical
• Atomic Mass
• atomic number
• Metal/Non-Metal

Tells you the number of protons. Unique to each element. Also tells you # of electrons in a neutral atom.

• Atomic Mass
• Atomic Number
• Element
• Nuclear charge

Which element is a non-metal?

• Beryllium
• Chlorine
• Mercury
• Potassium

To which group or family does Calcium (Ca) belong?

• Alkali metals
• Alkaline earth metals
• Halogens
• Transition metals

To which group or family does Argon (Ar) belong?

• Alkali metals
• Halogens
• Noble gas
• Transition metals

What Period does this element live in?

• 1st period
• 2nd period
• 3rd period
• 4th period

The following Bohr-Rutherford model diagrams represent different elements. Which of these is **NOT correct?

• Model A
• Model B
• Model C
• Model D