Unit 1 Review SC1. GSE

Which subatomic particle defines the identity of an element?

• Proton

• Neutron

• Electron

• Isotope

What is the atomic number of an element?

• A) The number of neutrons in an atom

• B) The number of protons in an atom

• C) The mass of the atom

• D) The number of electrons in an atom

Which model of the atom accurately describes the relative size, charge, and position of protons, neutrons, and electrons?

• A) Plum pudding model

• B) Bohr model

• C) Rutherford model

• D) Quantum mechanical model

How are elements heavier than hydrogen typically produced?

• A) Chemical reactions

• B) Radioactive decay

• C) Nuclear fission

• D) Nuclear fusion

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

What does the relative abundance of isotopes of an element relate to?

• A) Atomic number

• B) Atomic mass

• C) Atomic radius

• D) Electronegativity

Tags

NGSS.HS-PS1-8

How can light emission be used to identify elements?

• A) By analyzing the color of emitted light

• B) By analyzing the intensity of emitted light

• C) By analyzing the frequency of emitted light

• D) By analyzing the wavelength of emitted light

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-4

According to the modern atomic theory, what determines the chemical properties of an element?

• A) Number of protons

• B) Number of neutrons

• C) Number of electrons

• D) Number of isotopes

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which property of elements can be predicted using the periodic table?

• A) Atomic mass

• B) Atomic number

• C) Atomic radius

• D) Atomic weight

Tags

NGSS.HS-PS1-1

What does the term "ionization energy" refer to?

• A) The energy required to remove a proton from an atom

• B) The energy required to remove an electron from an atom

• C) The energy released when an electron is added to an atom

• D) The energy released when a proton is added to an atom

How does atomic radius change as you move from left to right across a period in the periodic table?

• A) It decreases

• B) It increases

• C) It remains constant

• D) It fluctuates

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2