Periodic Table -Atomic Models

Front

Who developed the 'plum pudding' model of the atom?

Back

J.J. Thomson

Front

What are the horizontal rows on the periodic table called?

Back

Periods

Front

Which element has a higher electronegativity than arsenic (As)?

Back

Carbon (C)

Front

What family in the periodic table contains the most reactive metals?

Back

Alkali Metals

Front

What are the characteristics of metals?

Back

Shiny, ductile, malleable, and good conductors of heat and electricity.

Front

What is the atomic model that describes electrons in fixed orbits around the nucleus?

Back

Bohr Model

Front

What is the term for the vertical columns in the periodic table?

Back

Groups

Front

Which group of elements is known for having full outer electron shells?

Back

Noble Gases

Front

What is the main characteristic of nonmetals?

Back

They are poor conductors of heat and electricity.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom's nucleus.