Periodic Table

Elements on the modern periodic table are arranged in order of increasing:

• Atomic mass

• Atomic number

• Molecular weight

• Density

To which group on the periodic table does sodium belong?

• Alkali Metals

• Noble Gases

• Halogens

• Transition Metals

How many valence electrons does an atom of oxygen have?

• 4

• 6

• 8

• 2

Which element has the highest electronegativity?

• Oxygen

• Chlorine

• Fluorine

• Nitrogen

How many energy levels does an atom of oxygen have?

• 1

• 2

• 3

• 4

Which element has the highest electronegativity?

• O

• N

• Cl

• F

To which group on the periodic table does iodine belong?

• Noble Gas

• Alkali Metal

• Halogen

• Transition Metal

What period and group on the periodic table is calcium in?

• Period 3, Group 2

• Period 4, Group 1

• Period 4, Group 2

• Period 5, Group 2

Which element has the largest atomic number?

• Rb

• O

• Fe

• U

To which group on the periodic table does iron belong?

• Alkali metals

• Noble gases

• Transition metals

• Halogens