King_Elements and the Periodic Table

Multiple Choice

Which subatomic particle is negatively charged and surrounds the nucleus of an atom?

• Proton

• Neutron

• Electron

• Photon

Multiple Select

Which of the following statements about electrons is/are correct?

• Electrons are found in the nucleus of an atom.

• Electrons are found at various places around the nucleus.

• Electrons have different amounts of energy.

• Electrons in the outermost energy level are called valence electrons.

Multiple Choice

What is the formula to calculate the mass number of an atom?

• P + N

• P - N

• P × N

• P ÷ N

Multiple Choice

What information can you typically find in an element's square on the periodic table?

• Atomic number, chemical symbol, and average atomic mass

• Element's color and melting point

• Element's density and boiling point

• Element's reactivity and state at room temperature

Multiple Select

Which of the following statements about the periodic table are correct?

• Elements are arranged by increasing atomic number.

• Periods are horizontal rows.

• Groups are vertical columns.

• Each element's block contains information about that element.

Multiple Choice

Which element is classified as a metalloid according to the periodic table diagram?

• Silicon

• Iron

• Oxygen

• Gold

Multiple Choice

Which of the following is a property of metals but not of nonmetals?

• They are brittle in the solid phase.

• They have high conductivity of heat and electricity.

• They tend to gain electrons during chemical reactions.

• They are dull and not shiny.

Multiple Choice

Which group of elements on the periodic table is described as malleable and ductile, and can be shaped and drawn into wire?

• Nonmetals

• Metalloids

• Metals

• Noble gases

Multiple Select

Which of the following statements about metalloids are correct?

• They are all liquids at room temperature.

• They share characteristics of both metals and nonmetals.

• They are semiconductors.

• They conduct electricity under all conditions.

Open Ended

Reflecting on today's lesson about atoms, elements, and the periodic table, what is one new concept you learned that you found interesting or surprising?