MYP3A Periodic Table and Bonding

What is the smallest unit of matter?

• Compound

• Atom

• Mixture

• Element

What term describes a substance composed of a single type of atom?

• Compound

• Mixture

• Element

• Proton

Which sub-atomic particle has a relative mass of 1 and a positive charge?

• Proton

• Neutron

• Electron

• Ion

Why do we use “relative” quantities for sub-atomic particles?

• Their values are unstable

• Their actual values are too large

• Their actual values are very small

• They have no charge

How did Mendeleev organize the periodic table?

• By atomic mass

• By atomic number

• By chemical properties

• By mass number

What is the atomic number of an element?

• Number of electrons

• Number of protons

• Number of neutrons

• Total number of subatomic particles

The elements in the periodic table are arranged by their ______.

• Mass number

• Atomic mass

• Atomic number

• Chemical properties

The electron configuration of an atom is determined by its ______.

• Atomic number

• Atomic mass

• Nucleon number

• Charge

What is the electron configuration of an element with an atomic number of 11?

• 2, 8, 1

• 2, 8, 8, 2

• 2, 8

• 2, 8, 6

Which of these properties increases down Group 1?

• Melting point

• Reactivity

• Conductivity

• Colour