Question

4. Fill in the blanks with the appropriate word(s): periods, group, a period,
Cs
a group, groups
Fr
In the periodic table, the vertical columns are called
Land
the horizontal rows are called
There are patterns in the
properties of the elements down
and across
You can use patterns
in the melting point of the elements in a
to predict the melting point of an
element whose melting point you do not know.

Answer 1

Respuesta:

que no entiendo

Explicación:

es tarea de ingles o que?