Basic & Water Chemistry Review

The image shows the periodic grid for POTASSIUM. What is Potassium's atomic number?

• 19
• 39
• 20
• Impossible to tell

Tags

NGSS.MS-PS1-1

The image shows the periodic grid for POTASSIUM. How many PROTONS are found in a potassium atom?

• 19
• 39
• 20
• Impossible to tell

Tags

NGSS.MS-PS1-1

The image shows the periodic grid for POTASSIUM. How many NEUTRONS are found in a potassium atom?

• 19
• 39
• 20
• Impossible to tell

Tags

NGSS.MS-PS1-1

The chemical compound of water is

• HO
• H₂O
• H₃O
• HO₂

Tags

NGSS.MS-PS1-1

A solvent is...

• substance into which the solute dissolves
• a compound being dissolved
• a substance that does not dissolve
• None of the above

Attractions between water molecules are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

Tags

NGSS.MS-PS1-1

Acids have more what? 

• OH ions 
• OH- ions
• H+ ions 
• All of the above 

What is the atomic mass for this element?

• 6

• 12.0107

• 6.0107

• 18.0107

What is the property of water is shown in the picture?

• specific heat

• universal solvent

• capillary action

• surface tension

What property of water is shown in the picture?

• surface tension

• capillary action

• universal solvent

• specific heat

Tags

NGSS.MS-ESS2-4