Periodic Table Mini Quiz

Based on the periodic table, how many neutrons are most likely in a neutral atom of potassium (K)?

• 16

• 19

• 22

• 39

The element that did not react with any other element in the experiments is most likely a?

• Metal

• Non-metal

• Noble gas

• Metalloid

According to the chemical formula H₂SO₄, all of the following chemical elements can be found in a molecule of sulfuric acid EXCEPT

• Carbon

• Hydrogen

• Oxygen

• Sulfur

Iodine (I) would have chemical properties most like

• Sodium

• Potassium

• Carbon

• Sulfur

According to the information provided, which solid has fewer than 10 protons in its nucleus?

• Iron (Fe)

• Chlorine (CI)

• Tellurium (Te)

• Xenon (Xe)

Why is cobalt (Co) placed before nickel (Ni) on the periodic table of the elements even though it has a higher average atomic mass than nickel?

• Co has a higher atomic number than Ni

• Co has a higher density than Ni

• Co has a higher reactivity than Ni

• Co has a higher melting point than Ni

A property that elements Cu, Zn, and Ag have in common is that they are all

• Metals

• Non-metals

• Noble gases

• Metalloids

Distinguish a period from a group by completing the sentences. A period is

• A horizontal row in the periodic table

• A vertical column in the periodic table

• A group of elements with similar properties

• A group of elements with different properties

How many electrons are in the outermost energy shell of a calcium (Ca) atom?

• 2

• 4

• 6

• 8

What is the atomic number of the element Oxygen (O) in the periodic table?

• 6

• 8

• 10

• 12