Atomic Structure Review for Regents Chemistry

What is the main goal of the video series presented by Mr. Schellenberg and Mr. Fuqua?

• To provide entertainment

• To condense chemistry information for the Regents exam

• To discuss historical events

• To teach advanced physics concepts

Which scientist's model of the atom is known as the 'hard sphere model'?

• Dalton

• Rutherford

• Thompson

• Bohr

What did Thompson discover using the cathode ray tube experiment?

• Proton

• Neutron

• Electron

• Nucleus

What was the key conclusion from Rutherford's gold foil experiment?

• Atoms are solid spheres

• Atoms are indivisible

• Atoms have a dense nucleus and are mostly empty space

• Electrons orbit the nucleus in fixed paths

Tags

NGSS.HS-PS1-8

Which subatomic particle has a positive charge?

• Neutron

• Electron

• Photon

• Proton

Where are neutrons located within an atom?

• In the nucleus

• In the electron cloud

• In the outer shell

• In the orbital

Tags

NGSS.HS-PS1-8

What determines the element of an atom?

• Atomic mass

• Number of protons

• Number of neutrons

• Number of electrons

What are isotopes?

• Atoms with the same number of protons but different numbers of neutrons

• Atoms with the same number of neutrons but different numbers of protons

• Atoms with the same number of electrons but different numbers of protons

• Atoms with the same atomic mass but different atomic numbers

Tags

NGSS.HS-PS1-8

What happens when an electron returns to the ground state from the excited state?

• It gains energy

• It loses mass

• It absorbs light

• It emits light

Tags

NGSS.HS-PS4-3

What are spectral lines used for?

• To measure atomic mass

• To find the atomic number

• To identify an element

• To determine the number of protons