Atomic Structure
Chemical Bonding
Water Properties
Periodic Table
Water in Action
100

This positively charged particle is found in the nucleus 

Proton
100

This type of bond involves sharing electrons

Covalent bonds

100

The chemical formula for water

H2O

100

The atomic mass of Calcium (Ca) 

40

100

This force pulls water up plant stems 

Capillary action/Adhesion & cohesion

200

This particle has no charge and is found in the nucleus

Neutron

200

In this type of bond, electrons are transferred between atoms

Ionic bonds

200

Water molecules are attracted to each other through this force

Hydrogen bonding

200

The number of electrons in Phosphorus (P)

15

200

Water drops form this shape due to surface tension 

Sphere/Dome

300

These particles orbit the nucleus and have a negative charge

Electrons 

300

NaCl is an example of this type of compound

Ionic

300

This property allows water to stick to other substances

Adhesion

300

The number of neutrons in Chlorine (Cl)

18

300

This process turns liquid water into water vapor

Evaporation/Vaporization

400

 The atomic number represents the number of these in an atom

 Protons 

400

The number of electrons an atom needs to have a full outer shell

8

400

This explains why ice floats on liquid water

Low density 

400

The mass number of Carbon (C)

12

400

This property of water helps regulate Earth's temperature 

High specific heat capacity 

500

 This scientist's model showed electrons orbiting like planets

Bhor

500

This type of covalent bond contains two pairs of shared electrons

Double bond

500

This term describes water's ability to dissolve many substance

Universal solvent

500

The number of neutrons in Sodium (Na)

12

500

Element with group number 15 and period number 2

Nitrogen