Cards in this guide (11)
Why do elements within a period of the periodic table have different properties
They have different numbers of valance electrons...
How many different sublevels are in the third energy level
What is another name for Group 14
What family is made up of all radioactive elements
Which notations is the correct noble gas configuration for Co
Which of the following elements shows little reactivity Fluorine Sulfur Potassium or Argon
From the elements given, argon shows the least reactivity.
What elements have the highest and lowest ionization energy
Helium has the highest first ionization energy and francium has
the lowest first ionization energy.
What is an element's atomic mass not listed as a whole number on the periodic table
Few elements have isotopes. their atomic mass is not a whole number.
Which of the following is the best definition of matter
An engineer chooses to use a composite material that incorporates concrete and recycled glass for the floors of a new building. This is an example of
What family is made up of radioactive elements
This family is called, after IUPAC nomenclature -- actinoids.