Exploring Atoms and the Periodic Table

What is matter composed of?

• Atoms

• Molecules

• Particles

• Cells

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What charge do electrons carry?

• Negative

• Variable

• Positive

• Neutral

Tags

NGSS.MS-PS2-3

What is the center of an atom called?

• Nucleus

• Core

• Center

• Electron cloud

What does the atomic number represent?

• Number of neutrons

• Number of protons

• Atomic mass

• Number of electrons

What is the abbreviation for the element silver?

• Au

• S

• Si

• Ag

How many electrons can the first shell of an atom hold?

• 8

• 32

• 2

• 18

What is used to represent protons in the practical activity?

• Black beans

• Lima beans

• Green peas

• Chickpeas

Tags

NGSS.MS-PS1-1

How many neutrons does lithium have according to its atomic mass and atomic number?

• 7

• 4

• 3

• 1

Tags

NGSS.MS-PS1-1

What model is used to show all the particles in an atom?

• Rutherford model

• Dalton model

• Bohr model

• Thomson model

What does the atomic mass represent?

• Number of electrons

• Sum of all subatomic particles

• Number of protons

• Sum of protons and neutrons