Periodic Table Periods

The _______ tells us how many energy shells an element has.

• group

• period

• atomic number

• element symbol

What are the horizontal rows on the periodic table called?

• periods

• groups

• metals

• nonmetals

• metalloids

Periods on the periodic table are __________.

• Horizontal Rows

• Vertical Columns

What do the horizontal rows on the periodic table tell us?

• The number of orbitals

• The number of valence electrons (the electrons on the outer most shell)

How many orbitals does Nickel have?

• 3

• 4

• 5

• 10

Tags

NGSS.HS-PS1-1

This element has two valence electrons and two energy levels?

• Beryllium (Be)

• Lithium (Li)

• Zinc (Zn)

How many valence electrons and energy levels does (Ca) Calcium have?

• 2 valence electrons and 4 energy levels (orbitals)

• 6 valence electrons and 4 energy levels (orbitals)

• 2 valence electrons and 5 energy levels (orbitals)

• 5 valence electrons and 10 energy levels (orbitals)

Tags

NGSS.MS-PS1-1

Q1. What is the best way to organize a project?

• A) Periods

• B) Groups

What property does element X have based on its location in the periodic table?

• Highly reactive gas

• Manmade radioactive substance

• Nonreactive nonmetal

• Metallic solid

Tags

NGSS.MS-PS1-1

• Metals
• Nonmetals
• Metalloids