Organization of Periodic Table

What do the horizontal rows (periods) on the periodic table tell us?

• The number of orbitals/shells

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

What group and period would this element be found in on the periodic table?

• period 1 and group 3

• period 3 and group 1

• period 2 and group 3

• period 3 and group 2

Tags

NGSS.MS-PS1-1

How many orbitals/shells does Nickel have?

• 3

• 4

• 5

• 10

Tags

NGSS.HS-PS1-1

Which of the following elements has the most similar physical and chemical properties to the element Sulfur (S)?

• Carbon (C)

• Phosphorous (P)

• Oxygen (O)

• Neon (Ne

What does the 6 above the symbol C represent?

• atomic mass

• atomic number

• element name

• chemical symbol

Tags

NGSS.MS-PS1-1

What does 12.011 represent?

• atomic mass

• atomic number

• element name

• chemical symbol 

As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.

• The atoms have more protons.

• The atoms have more energy levels

• The atoms have more nuetrons

As you move across the periodic table atoms tend to get smaller because, ______________.

• the atoms have more mass.

• the atoms have less mass

• the atoms have more protons.

• the atoms have less electrons.

Tags

NGSS.MS-PS1-1

The atom with the largest atomic radius in Group 18 is ____.

• Ar

• He

• Kr

• Rn

Tags

NGSS.HS-PS1-1

Which of the following elements has a lower ionization energy than Scandium (Sc)?

• Helium (He)

• Titanium (Ti)

• Calcium (Ca)

• Magnesium (Mg)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2