Atoms, Matter, and Molecules

What is the smallest unit of matter?

• Atom

• Molecule

• Proton

• Electron

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which particles orbit the outside of the nucleus like bees swarming around the beehive?

• Protons

• Neutrons

• Electrons

• Atoms

What is the equation for finding the number of neutrons in an atom?

• Atomic Mass - Atomic Number = Number of Neutrons

• Atomic Number - Atomic Mass = Number of Neutrons

• Atomic Mass + Atomic Number = Number of Neutrons

• Atomic Number + Atomic Mass = Number of Neutrons

How many electrons are able to fit in the 1st electron shell?

• 1

• 2

• 4

• 8

What does the atomic number of an atom tell us?

• Number of protons

• Number of neutrons

• Number of electrons

• Number of shells

How would you describe matter?

• A. anything with mass and weight
• B. anything with mass and volume
• C. anything with volume and capacity
• D. anything with volume and weight

Tags

NGSS.MS-PS1-5

Which statement is true about matter?

• A. Since oxygen is invisible, it is not matter.
• B. Fire and light are both matter.
• C. Everything in the universe is considered matter.
• D. Matter can be invisible.

What does the word "atom" mean?

• A. tiny
• B. can be cut
• C. uncuttable
• D. small pieces

Tags

NGSS.MS-PS1-1

How many atoms can fit on the end of a pin?

• A. 1,000
• B. 1,000,000
• C. 1,000,000,000
• D. 10,000

Substances that are made of only one type of atom and can't be broken down into simpler substances are known as ________________.

• A.matter
• B. mass
• C. molecules
• D. elements