15 Atomic Structure item bank

What is contained in the nucleus of an atom?

• Protons only

• Electrons only

• Electrons and Protons

• Protons and Neutrons

What is contained in the area surrounding the nucleus of an atom?

• Protons only

• Electrons only

• Electrons and Protons

• Protons and Neutrons

What does the atomic number of a neutral atom tell you?

• The number of neutrons in an atom.

• The number of protons in an atom.

• The total number of protons and neutrons in an atom.

• The total number of electrons and neutrons in an atom.

What does the atomic mass of a neutral atom tell you?

• The number of electrons in an atom.

• The number of protons in an atom.

• The total number of protons and neutrons in an atom.

• The total number of protons and electrons in an atom.

Which of the following is the name given to protons, electrons, and neutrons?

• Atomic Particles

• Atomic Pieces

• Subatomic Particles

• Subatomic Pieces

A neutral atom of Chlorine (Cl) has an atomic number of 17 and an atomic mass of 35. How many electrons does Chlorine (Cl) contain?

• 17

• 18

• 35

• 52

Which of the following statements is accurate?

• The nucleus makes up the majority of the volume of an atom.

• The nucleus makes up the majority of the size of an atom.

• The electron cloud makes up the majority of the mass of an atom.

• The electron cloud makes up the majority of the volume of an atom.

Which of the following determines the identity of an atom?

• Protons

• Electrons

• Neutrons

• All of the above

How many electrons would be contained in Element A?

• a. 197

• b. 79

• c. 118

• d. 39

What would be the approximate atomic mass of Element B?

• a. 7

• b. 8

• c. 16

• d. 24