PT Review

Elements in the same column of the periodic table always have the same # of _______ as one another.

• Protons
• Neutrons
• Electrons
• Valence Electrons

Tags

NGSS.HS-PS1-1

Rows on the period table are called _____ while columns are called _____.

• groups, families
• groups, periods
• periods, groups
• families, groups

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

What type of elements are poor conductors of heat and electricity?

• transition metals

• inner transition metals

• metals

• nonmetals

What type of elements are malleable and ductile?

• noble gases

• nonmetals

• metals

• halogens

Which of the following would be most similar to Phosphorus? (select all that apply)

• Nitrogen

• Sulfur

• Silicon

• Germanium

• Antimony

Which group is referred to as Alkali Metals?

• 3

• 1

• 7

• 17