Valence Electron Quiz

In a classroom, Abigail is arranging chairs in rows for an event. What are these horizontal rows in the periodic table called?

• Groups

• Periods

• Columns

• Sections

Abigail is organizing her bookshelf. She notices that the books are arranged in vertical columns. What are these vertical columns called in the periodic table?

• Rows

• Periods

• Groups

• Levels

Arjun and Ava are in the same study group for chemistry. What do members of the same study group usually have?

• Differences

• Similarities

• No relation

• Random properties

In a science class, Kai and Anika are discussing elements in the periodic table. What do members of the same period in the periodic table have in common?

• Same number of valence electrons

• Same number of energy levels

• Same atomic number

• Same atomic mass

Aiden and Avery are organizing a periodic table-themed party. They want to group elements that have something in common. What do members of the same group in the periodic table have in common?

• Same number of energy levels

• Same atomic mass

• Same number of valence electrons

• Same atomic number

Avery is learning about atoms in her science class. She wonders, what are valence electrons?

• Electrons in the innermost shell

• Outermost electrons involved in chemical bonding

• Protons in the nucleus

• Neutrons in the nucleus

Tags

NGSS.MS-PS1-1

Hannah is conducting an experiment to understand what determines an element's chemical properties. What should she focus on?

• The number of valence electrons

• The atomic mass

• The number of protons

• The atomic number

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Sophia and her friends are organizing a science fair. They notice that elements in the same group on the periodic table have similar properties. Why is this the case?

• They have the same number of protons.

• They have the same number of neutrons.

• They have the same number of valence electrons.

• They have the same atomic mass.

Lily is studying chemistry and wants to understand how atoms bond with each other. What does a Lewis structure show for an atom?

• The number of protons in the nucleus

• The valence electrons as dots around the atomic symbol

• The atomic mass of the element

• The number of neutrons in the nucleus

Elijah is organizing a science fair project about the Periodic Table. He wants to know which groups mostly follow the rules for having a specific number of valence electrons. Can you help him?

• Groups 1, 2, and 13-18

• Groups 3, 4, and 5

• Groups 6, 7, and 8

• Groups 9, 10, and 11