Periodic Table
Atoms
Molecules
Counting Atoms
Elements
100

How many elements are listed on the periodic table?

118

100

What is the center of the atom called?

Nucleus

100

True or false H2O is an element

False
100

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

Subscript

100

What element  is Fm

Fermium

200

What family is Iodine in?

Halogens

200

These are negatively charged? 

What are electrons

200

2 hydrogen atoms and 1 oxygen atom

What is water

200

How many atoms are in the following chemical formula.

NH4Cl

6

200

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

Atomic mass

300

This has 78 protons

What is platinum

300

These carry no charge

Neutrons

300

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

What is a molecule

300

How many atoms are in this formula?

Ca3(PO4)2

    

13

300

What does NaCl create?

Table Salt

400

What is the formula for carbon dioxide

CO2

400

These are located in the nucleus with the neutrons

What are protons

400

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

What is a compound

400

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

Multiplication

400

What Element is at Period 5, Row 10

Palladium

500

What family is Hydrogen in?

Other metals 

500

Made up of only one kind of atom

What is an element 

500

How many atoms are in 2 water molecules

6

500

How many atoms are in this formula?

C3H7O2(OH)3

18

500

What letters are never used in the periodic table?

J & Q