How many valence electrons does Hydrogen have?

• 1

• 2

• 3

• 4

In what type of bonds are electrons shared between atoms?

• Ionic Bonds

• Metallic Bonds

• Covalent Bonds

• Bank Bonds

If an atom loses 2 electrons, what is the charge of the ion?

• -1

• -2

• +2

• +4

What group of elements always has a full valence?

• Alkali Metals

• Alkali Earth Metals

• Noble Gases

• Halogens

• Transition Metals

In a periodic table, what information tells you the number of electron shells an atom has?

• Group

• Family

• Atomic Number

• Period

What two types of elements combine to form ionic bonds? (Choose 2)

• Metals

• Metalloids

• Nonmetals

• Any

An element belongs to period 4, group 2 in the periodic table. How many valence electrons does it have?

• 4

• 8

• 20

• 2

What model is most useful when talking about valence electrons and ionic bonds?

• Electron dot diagram

• Orbital Model

• Quantum Model

• Billiard Ball Model

What type of model is shown here?

• Electron Dot Diagram

• Quantum Model

• Electron Cloud Model

• Periodic Model

• Orbital Model

In an electron dot diagram, what do the dots represent?

• The total number of electrons in the atom

• The total number of protons in the atom

• The number of valence electrons in the atom

• The number of electrons willing to be sacrificed