Understanding the Atomic World Quiz

What is the charge of an electron?

• Positive

• Negative

• Neutral

• Variable

What is the charge of a proton?

• Positive

• Negative

• Neutral

• Variable

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• Variable

What particles are found in the nucleus of an atom?

• Protons and Electrons

• Electrons and Neutrons

• Protons and Neutrons

• Neutrons only

What is an isotope?

• Atoms of the same element with different numbers of electrons

• Atoms of the same element with different numbers of protons

• Atoms of the same element with different numbers of neutrons

• Atoms of different elements with the same number of neutrons

What is a valence electron?

• An electron that is not involved in chemical reactions
• An electron that is located in the nucleus of an atom
• The outermost electrons in an atom.

• An electron that has a negative charge

Which of the following is true about ions?

• They are atoms with a neutral charge.

• They are atoms with the same number of protons and electrons.

• They are atoms that have a charge.

• They are atoms that have lost or gained protons.

What does the atomic number of an element represent?

• The number of neutrons

• The number of electrons

• The number of protons

• The total number of protons and neutrons

How do you find the number of neutrons in an atom?

• Atomic number minus atomic mass

• Atomic mass minus atomic number

• Atomic number plus atomic mass

• Atomic mass divided by atomic number

What is electron configuration?

• A funky way of counting electrons

• The ways elements are arranged in orbitals

• The mass of an electron