Atoms, Isotopes, and Ions Quiz

What is the primary tool used to understand the elements and their properties?

• Microscope

• Periodic Table

• Calculator

• Spectrometer

Which of the following is NOT typically found on a simple periodic table?

• Atomic number

• Element name

• Element symbol

• Element color

What does a nuclear symbol consist of?

• Element symbol, mass number, atomic number, and charge

• Element name, atomic mass, atomic number, and charge

• Element symbol, atomic mass, atomic number, and color

• Element name, mass number, atomic number, and color

What determines the identity of an atom?

• Number of ions

• Number of neutrons

• Number of electrons

• Number of protons

What is an ion?

• An atom with a different number of neutrons

• An atom that has gained or lost electrons

• An atom with a different atomic mass

• An atom with a different number of protons

What is the charge of an atom that loses electrons?

• Negative

• Neutral

• Variable

• Positive

How many protons does a sodium ion have if its atomic number is 11?

• 10

• 11

• 12

• 13

What is the charge of an oxygen ion that has gained two electrons?

• -2

• +1

• +2

• -1

How many electrons does a chlorine ion have if it has gained one electron?

• 19

• 18

• 17

• 16

What is the neutron count in a carbon atom with a mass number of 14?

• 8

• 7

• 6

• 9