Exploring the Parts of an Atom

This video tutorial by Mr. Geiselman covers the basics of chemistry, focusing on the composition, structure, and properties of matter. It explains the phases of matter, the concept of elements, and the structure of atoms. The video delves into subatomic particles, detailing the roles and characteristics of protons, neutrons, and electrons, including their charges and masses. The lesson concludes with a summary of the key points discussed, preparing students for a live Google meeting to further explore these concepts.

What is the scientific study of the composition, structure, and properties of matter called?

• Biology

• Physics

• Chemistry

• Geology

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT a phase of matter?

• Plasma

• Gas

• Liquid

• Solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the simplest form of matter that cannot be broken down by chemical means?

• Solution

• Mixture

• Element

• Compound

What is the smallest particle of an element that retains all its chemical properties?

• Molecule

• Compound

• Ion

• Atom

What is the dense center of an atom called?

• Electron cloud

• Nucleus

• Proton

• Neutron

Which subatomic particle has a positive charge?

• Photon

• Proton

• Neutron

• Electron

Where are electrons found in an atom?

• In the nucleus

• In the electron cloud

• In the proton

• In the neutron

What is the mass of a proton in atomic mass units (amu)?

• 0 amu

• 1 amu

• 2 amu

• 3 amu

Which subatomic particle is considered to have negligible mass?

• Proton

• Electron

• Photon

• Neutron

What is the charge of a neutron?

• Variable

• Neutral

• Negative

• Positive