Periodic Table Basics

How many protons, neutrons, and electrons does ¹¹B have?

• 11 protons, 11 neutrons, 11 electrons

• 5 protons, 11 neutrons, 5 electrons

• 5 protons, 6 neutrons, 2 electrons

• 5 protons, 6 neutrons, 5 electrons

Answer explanation

11 = mass number = protons + neutrons

Atomic number is the number of protons and electrons in a neutral atom

Tags

NGSS.MS-PS1-1

The modern periodic table is organized by

• atomic number

• atomic mass

• mass number

• radioactivity

The location of elements on the periodic table helps us to determine

• the year it was discovered

• when it was formed

• its chemical and physical properties

• none of the above

Tags

NGSS.HS-PS1-1

What are the rows on the periodic table called?

• periods

• groups/families

What are the columns on the periodic table called?

• periods

• groups/families

The name of group 17 is?

• Transition metals

• Alkaline earth metals

• Halogen

• Alkali metals

• Noble gases

The name of group 1 is?

• Transition metals

• Alkaline earth metals

• Halogen

• Alkali metals

• Noble gases

The name of group 18 is?

• Transition metals

• Alkaline earth metals

• Halogen

• Alkali metals

• Noble gases

Groups 3-12 are?

• Transition metals

• Alkaline earth metals

• Halogen

• Alkali metals

• Noble gases

The name of group 2 is?

• Transition metals

• Alkaline earth metals

• Halogen

• Alkali metals

• Noble gases