Chemical Families

What is the atomic number for aluminum?

• 1

• 26.98

• 26

• 13

All of the following are chemical families EXCEPT ___.

• Gases

• Halogens

• Noble gases

• Alkali metals

Why are the elements in Group 8A (18) called Noble gases?

• They were discovered by the royal family.

• They are more valuable than other gases.

• They rarely take part in a reaction.

• They are highly reactive.

Which list of elements includes members of the transition metals?

• Iron, nickel, zinc

• helium, neon, argon

• hydrogen, lithium, sodium

• boron, aluminum, gallium

Which element belongs in the halogen family?

• Rn

• Ne

• Br

• Xe

All elements in the same group have the same number of ___.

• protons
• neutrons
• atomic mass units
• valence electrons

Elements in the same ________ are more chemically similar.

• group
• period
• club
• table

Which elements have the most similar chemical properties?

• K and Na
• K and Ca
• K and Cl
• K and S

Tags

NGSS.HS-PS1-2

Beryllium is in group number______.

• Group 2
• Group 3
• Group 4
• Group 7

Lithium (Li) is part of the _ family.

• alkali metals
• alkaline earth metals
• halogens
• Noble gases