What is a group in the context of the periodic table?

• A horizontal row of elements.

• A vertical column of elements.

• A category of transition metals.

• A classification for alkali metals.

Transition metals are characterized by which of the following?

• Elements in Group 2A, known for their reactivity.

• A family of elements that readily lose electrons.

• Elements that exhibit variable oxidation states.

• Both b and c.

What does atomic radius refer to?

• The distance from the nucleus to the outermost electron.

• The mass of an atom.

• The number of protons in an atom.

• The number of neutrons in an atom.

Which of the following statements is true about alkali earth metals?

• They are found in Group 1A.

• They are highly reactive with water.

• They are found in Group 2A.

• Both b and c.

What term describes the tendency of an element to undergo chemical reactions?

• Ionization energy

• Electronegativity

• Reactivity

• Atomic weight

Tags

NGSS.HS-PS1-2

Which of the following is a common property of nonmetals?

• Good conductors of electricity

• Brittle in solid form

• Shiny appearance

• Malleable

Tags

NGSS.HS-PS1-1

What is the chemical symbol for sodium?

• S

• Na

Which element is located at the bottom of the periodic table and has the largest atomic size?

• Radon

• Francium

• Cesium

• Polonium

What term is often used for the elements in Group 8?

• Transition metals

• Alkali metals

• Noble gases

• Halogens

The block that contains lanthanides and actinides is known as:

• p block

• d block

• f block

• s block