Unit 2: Atomic Structure & Periodic Table

Mendeleev arranged the _______________ into rows in order of increasing mass so that elements with similar properties were in the same column.

In the modern periodic table, elements are arranged by increasing _____________ ______________.

What is the name of each column on the periodic table?

• period

• group

• section

• metalloid

What is the name of each row in the table of elements?

• period

• group

• section

• metalloid

What are four pieces of information in each element square?

• name

• symbol

• atomic number

• atomic mass

• period

What are the 3 categories elements are classified as?

• metals

• metalloids

• non-metals

• conductors

• semi-conductors

What elements are considered good conductors of electric current and heat?

• metals

• non-metals

• metalloids

• semi-conductors

Tags

NGSS.HS-PS1-1

What elements are considered poor conductors of heat and electric currents?

• metals

• non-metals

• metalloids

• semi-conductors

Tags

NGSS.HS-PS1-1

What are elements called with properties that fall between those of metals and nonmetals?

• metals

• non-metals

• metalloids

• semi-conductors

Tags

NGSS.HS-PS1-1

Across a period from left to right, the elements become less _______________ and more _________________ in their properties.

• metallic, non-metallic

• non-metallic, metallic