Atomic Structure Quiz

What is the study of atoms and their reactions called?

• Geology

• Physics

• Biology

• Chemistry

What is the charge of a proton?

• Variable

• Positive

• Neutral

• Negative

Where are neutrons located in an atom?

• Orbits

• Electron cloud

• Nucleus

• Outside the atom

What is the mass of an electron compared to protons and neutrons?

• Heavier

• Equal

• Much lighter

• Much heavier

What determines the identity of an element?

• Number of protons

• Number of neutrons

• Mass number

• Number of electrons

What is an isotope?

• Atoms with the same mass number

• Atoms with different numbers of neutrons

• Atoms with different chemical properties

• Atoms with different numbers of protons

What is the atomic number of an element?

• Number of neutrons

• Number of electrons

• Mass number

• Number of protons

What is the role of neutrons in the nucleus?

• To stabilize the nucleus

• To determine reactivity

• To form new elements

• To create energy

What happens to butterfly pea flower tea when lemon juice is added?

• It becomes solid

• It evaporates

• It changes color due to pH

• It forms a new substance

What is the mass number of an atom?

• Number of neutrons only

• Sum of protons and neutrons

• Sum of protons and electrons

• Number of protons only