Unit 2: Atomic Structure & Periodic Table

Mendeleev arranged the (a)   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 _____________ ______________.

(a)  

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