Periodic Table

Front

In the modern periodic table, elements are arranged by: atomic mass, atomic number, valence electrons, number of isotopes

Back

atomic number

Front

Each column in the periodic table is called a

Back

group

Front

The atomic number tells you what?

Back

number of protons

Front

The atoms along the staircase are called

Back

metalloids

Front

How many valence electrons does Iodine have?

Back

7

Front

The yellow atoms are called: metals, nonmetals, metalloids, noble gases

Back

nonmetals

Front

The period for Bromine is ___________.

Back

4

Front

Beryllium is in group number.

Back

Group 2

Front

The periodic table has __ periods.

Back

7

Front

An element's identity is determined by the number of: electrons, protons, neutrons, valence.

Back

protons