Atoms and Elements

Which class of elements best conducts electricity?

Which atomic particles are found outside the nucleus of the atom?

What is the effect produced by changing the number of neutrons in the nucleus of an atom?

Organic compounds are substances that contain hydrogen and which of the following elements?

If a neutral atom loses an electron, what is formed?

In which region of the table would nonmetals be found?

How many protons are in an atom of the element chlorine?

Most of an atom is made up of -

How many neutrons does the element argon have?

Which element is classified as an alkali metal?

A beaker contains 0.32 liters of water. What is the volume in milliliters?

All matter in our world consists of very small units called -

Silver and Gold are in the same column on the Periodic Table.  They have similar properties and

All the members of each group in the periodic table have ---

The atomic nucleus contains protons and ---

A substance made up of two or more elements that have been chemically combined is called ---

If you took all of the atoms out of a chair, what would be left?

Niels Bohr's model is now thought to be incorrect because electrons -