The Periodic Table

Box and Circle

100

How many atoms are in the element He₈

8 atoms

200

How many atoms are in NaCl

2 atoms

300

How many elements are in the compound SiO₂?

2 elements

400

How many atoms are in the compoundFe₃O₄?

7 atoms

500

How many atoms are in the compound 2(C₆H₁₂O₆)

48 atoms

Ape Man

100

Potassium (K) has an atomic number of 19 and 20 neutrons. What is the atomic mass of potassium?

39 

39.098)

200

Oxygen has an atomic number of 15.999 and an atomic number of 8. How many protons does Oxygen have?

8 protons

300

Hydrogen has a mass of 1.008 and 1 electron. How many neutrons does hydrogen have?

0 neutrons

400

The element Silicon has as many protons as neutrons and has an atomic mass number of 28.086. How many electrons does Silicon have?

14 electrons

500

Argon (Ar) has an atomic mass of 39.948 and is the 18th element of the periodic table. How many neutrons are in argon (Ar)?

22 neutrons

Groups and Periods

100

What group doesn't react with any other groups? (They have full rings)

The noble gases (group 18)

200

Why are elements placed in the same groups on the periodic table?

They possess similar properties

300

What is the name of the two most reactive groups of the periodic table?

Alkali metals and Halogens

400

Periods are organized based on what?

The number of rings

500

What is the name of one of the extensions of the periodic table? (Name one)

Lanthanide series, Actinide series

Compounds

100

What's one element that Neon could bond with?

None; It has full rings

200

Name an element that would bond with an element from group 16.

Any group from group 14 (Carbon, Silicon, Germanium, Tin, Lead)

300

A student is sorting out organic from inorganic compounds. She is given the compound CI₄., otherwise known as 'Carbon tetraiodide'. Is this an inorganic or organic compound?

Inorganic

400

What's one element that bromine (Br) could bond with?

Any element in period 1 (Hydrogen, Lithium, Sodium, Potassium, Rubidium, Cesium, Francium)

500

Name one element that can bond with an alkaline earth metal.

Any element in group 16 (Oxygen, Sulfur, Selenium, Tellurium, Polonium)

Fun Facts

100

What is the symbol for gold

Au

200

What is the atomic number of magnesium?

12

300

What is the symbol for Copper?

Cu

400

What element does 'Sn' represent?

Tin

500

How many elements are in the periodic table?

118 (New), 111 (Standard)