Module 6 Review

What is an atom?

• A fundamental unit of matter

• A type of molecule

• A chemical reaction

• A state of matter

Which of the following statements are part of the current atomic theory?

• Atoms are indivisible and indestructible.

• Atoms of a given element are identical in mass and properties.

• Compounds are formed by a combination of two or more different kinds of atoms.

• A chemical reaction is a rearrangement of atoms.

Label the parts of the atom.

a

b

c

Electron

Neutron

Proton

What is a nucleus?

• A nucleus is the central part of an atom, containing protons and neutrons.

• A nucleus is the outer shell of an atom, containing electrons.

• A nucleus is a type of chemical bond between atoms.

• A nucleus is a molecule that stores genetic information.

What are the 3 subatomic particles?

• Protons, Neutrons, and Electrons

• Protons, Neutrons, and Photons

• Protons, Electrons, and Positrons

• Neutrons, Electrons, and Neutrinos

Protons are found where?

• In the nucleus

• In the electron cloud

• In both the nucleus and electron cloud

• Outside the atom

Neutrons are found where?

• In the nucleus

• In the electron cloud

• In both the nucleus and electron cloud

• Outside the atom

Electrons are found where?

• In the nucleus

• in the space outside the nucleus

• In both the nucleus and electron cloud

• Outside the atom

Are neutrons in motion or stationery?

• In motion

• Stationary

Are electrons in motion or stationery?

• In motion

• Stationary