REVIEW - Unit 4 Chemistry Basics

What are the building blocks of MATTER?

• Atoms
• Cells
• Protons
• Neutrons

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What are the positively charged particles in an atom?

• Protons
• Neutrons
• Electrons

Electrons have what charge?

• Negative
• Positive
• Neutral
   (No Charge)

Tags

NGSS.MS-PS2-3

Neutrons have what charge?

• Negative
• Positive
• Neutral
   (No Charge)

The nucleus of an atom is made up of...

• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons

Tags

NGSS.MS-PS1-1

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

• 19
• 39
• 20
• Impossible to tell

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

• 19

• 39.098

• 20

• Impossible to tell

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 ELECTRONS are found in a neutral potassium atom?

• 19

• 39

• 20

• Impossible to tell

Tags

NGSS.MS-PS1-1

Which subatomic particle is neutral?

• Neutron
• Positron
• Proton
• Electron