The horizontal rows of elements in the periodic table are called

• Families

• Groups

• Periods

• Elements

________ are the columns/families on the periodic table and are organized by similar properties.

• Classifications

• Groups

• Periods

• Elements

Which Russian chemist arranged the first periodic table?

• Mosely

• Einstein

• Mendeleev

• Bohr

How did Menedleev organize the periodic table?

• atomic number

• atomic mass

• alphabetical order

• color

Moseley organized the periodic table by ____________

• atomic mass

• mass number

• number of electrons

• atomic number

Which of the following elements is a METAL?

• Na

• Ne

• As

• Kr

Which element is a NON-METAL?

• Po

• Na

• Rn

• Pb

Which element is a METALLOID?

• K

• Sn

• Sb

• Mo

Which element is shiny and a good conductor of heat/electricity?

• Mg

• Cl

• Xe

• He

Tags

NGSS.HS-PS1-1

Which element is a good conductor of electricity?

• Au

• O

• He

• Og