Chemistry

Periodic Table

100

How many elements are listed on the periodic table?

118

200

What family is Iodine in?

Halogens

300

This has 78 protons

What is platinum

400

What is the formula for carbon dioxide

CO2

500

What family is Hydrogen in?

Other metals 

Atoms

100

What is the center of the atom called?

Nucleus

200

These are negatively charged? 

What are electrons

300

These carry no charge

Neutrons

400

These are located in the nucleus with the neutrons

What are protons

500

Made up of only one kind of atom

What is an element 

Molecules

100

True or false H2O is an element

False

200

2 hydrogen atoms and 1 oxygen atom

What is water

300

When elements are bonded,the atoms can be the same or diffferent(what is this called)

What is a molecule

400

A ________is a chemical substance formed when 2 or more different elements bond in a specific proportion

What is a compound

500

How many atoms are in 2 water molecules

6

Counting Atoms

100

In a chemical formula the smallest number to the bottom right of an element called?

Subscript

200

How many atoms are in the following chemical formula.

NH₄Cl

6

300

How many atoms are in this formula?

Ca₃(PO₄)₂

    

13

400

What math process do you use when elements are contained in parenthesis?

Multiplication

500

How many atoms are in this formula?

C₃H₇O₂(OH)₃

18

Elements

100

What element  is Fm

Fermium

200

What does the number at the bottom of the element on the periodic table tell you?

Atomic mass

300

What does NaCl create?

Table Salt

400

What Element is at Period 5, Row 10

Palladium

500

What letters are never used in the periodic table?

J & Q