Periodic Table CofK '24

When an object changes shape when struck by a hammer.

• luster
• malleable
• brittleness
• ductile

Which two elements share common characteristics based on the periodic table?

• Sodium and Magnesium

• Chlorine and Sulfur

• Argon and Neon

• Calcium and Bromine

A student is studying a mystery substance. It breaks easily. It has a very dull luster. It doesn't conduct any electricity. What is the most likely substance this is?

• Metal

• Metalloid

• Nonmetal

• Transition Metal

How many energy levels does gallium have?

• 14
• 4 
• 2
• 3
  

Which of the following elements is MOST like nitrogen?

• oxygen
• phosphorus

• carbon
• neon

Which of the following elements has the same number of energy levels as gold?

• silver
• zinc
• lead
• iron

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

If an atom had the same properties as fluorine (F), it would probably be located in

• period 1.
• period 2.
• group 2.
• group 17.

A rule that states that chemical and physical properties of elements repeat with the atomic number of the elements is the _________.

• periodic law
• alkaline-earth metals
• actinide
• group rule

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases