Exploring Atomic and Ion Structures

What is the basic building block of matter?

• Atoms

• Molecules

• Compounds

• Ions

What happens to an atom when it loses electrons?

• It becomes a positively charged ion (cation)

• It becomes a negatively charged ion (anion)

• It becomes neutral

• It becomes an isotope

Which group of elements is known as alkali metals?

• Group 1

• Group 2

• Group 7

• Group 8

What is the main characteristic of halogens?

• They have seven valence electrons

• They have one valence electron

• They are metals

• They are inert gases

What information is typically included in each element's box on the periodic table?

• Atomic number, symbol, and atomic mass

• Atomic number, symbol, and electron configuration

• Symbol, atomic mass, and melting point

• Atomic number, electron configuration, and boiling point