Unit 2 - Atoms, Elements, & The Periodic table

Is Oxygen a Metal or Non-Metal? 

• Metal
• Non-metal

Columns of the periodic table are called:

• group

• period

• atomic radius

Which of the following is true about the elements in Group 1 of the periodic table?

• They are nonmetals

• They have low reactivity

• They are called halogens

• They are known as alkali metals

Which of these elements will have the most similar properties to the element Lithium (Li)?

• Sodium (Na)

• Magnesium (Mg)

• Beryllium (Be)

• Calcium (Ca)

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

From this element key of Nitrogen, determine the atomic mass of nitrogen

• 7

• 7.01

• 14.01

• 21.01

Which is NOT a property of metals?

• brittleness

• conductivity

• ductility

• luster

What are two properties that make a metal a good choice to use as wire in electronics?

• conductivity, malleability

• ductility, conductivity

• luster, malleability

• malleability, high density

Iodine is a nonmetal. What is one property of iodine?

• conductivity

• dull appearance

• malleability

• ductility