5.3 Atomic and Mass Numbers & Electron Configurations

What does the symbol "X" represent in the element notation?

• Mass number

• Atomic number

• Symbol of element

• Number of neutrons

What does "Z" represent in the element notation?

• Mass number

• Atomic number

• Symbol of element

• Number of neutrons

Which number represents the total number of protons and neutrons in an atom?

• Atomic number

• Mass number

• Element symbol

• Neutron number

What does the atomic number represent in an element symbol?

• Total number of electrons

• Total number of protons

• Total number of neutrons

• Total number of atoms

What is the symbol for oxygen?

• Ox

• O

• Oy

• Oxg

Which element is represented by the symbol 'Na'?

• Neon

• Sodium

• Nitrogen

• Nickel

Which element is represented by the symbol 'Ag'?

• Argon

• Antimony

• Silver

• Gold

What is the relationship between protons and electrons in a neutral atom?

• Protons are double the electrons

• Electrons are double the protons

• They are equal

• Protons are half the electrons

How many protons does carbon have?

• 6

• 12

• 8

• 14

How many electrons does carbon have?

• 6

• 12

• 8

• 14