Periodic Table Overview (reference to stars)

Periodic Table (reference to stars)

Overview of the organization of elements (building blocks) that make up our world and everything else out there, too!

Multiple Select

STARS are responsible for (select all that apply)

• Providing Energy

• Diversity of elements

• Nuclear Fusion

• Habitable Planets

Multiple Choice

Nuclear fusion in stars is a process that joins lighter elements to form

• Lighter Elements

• Elements with lower atomic numbers

• Elements with higher atomic numbers

• Nuclear Fission creates elements

Properties

• METALS: Good conductors (heat & electricity), malleable (can form new shapes without breaking) and ductile (made into wire)

• NONMETALS: Poor conductors, brittle (will break easily), lack shine - may be colorful

• METALLOIDS: Properties of both - usually look like metals but behave like nonmetals (semiconductors)

Periods run across

• Read from LEFT to RIGHT, like a book

• Elements increase by atomic number from left to right

• Atomic Mass increases from left to right

• (Period number matches the orbital number in the atomic structure)

Groups (aka Families)

• Read TOP to BOTTOM

• Elements in the same column exhibit similar chemical characteristics

• Each Family has a name

• (Group number matches the number of valence electrons, used for chemical bonding)

• Elements in the last group are inert, or stable (unreactive)

Multiple Choice

After watching the video of Alkali Metals (from Group 1 on the periodic table), which property increased as you went down the column of elements?

• Conductivity

• Reactivity

• Malleability

• Luster

Multiple Choice

TRUE or FALSE: Elements become "heavier" as you read across a table (left to right)

• TRUE

• FALSE

Multiple Choice

Hydrogen has an atomic number of 1, therefore two hydrogen atoms FUSED together would total an atom of...

• Helium atomic #4

• Helium atomic #2

• Lithium atomic #2

• Carbon atomic #2

Multiple Choice

TRUE or FALSE: Massive stars generate the same elements of low mass stars, however, low mass stars will not generate the same elements as these high mass stars.

• TRUE

• FALSE

Elements fused in stars

Higher mass stars fuse the same elements as lower mass stars, BUT continue to fuse even heavier elements up to IRON (Fe).

Elements mentioned in reading:

H, He, C, O, N, Ne, Si, Fe

Elements produced in both stars - low and high mass

These elements are produced in low mass (yellow) and high mass (green) The amount formed from fusion can differ.

What can you tell?

Given this element tile, type information into the ZOOM chat about this element.

Multiple Choice

If the atomic number is 9, how many neutrons does an atom of Fluorine have?

• 9

• 10

• 11

• 19

Multiple Choice

If two fluorine atoms were joined to form a molecule, what would it become?

• F₂

• Atom with 18 atomic number (Ar)

• This combination would never form

Multiple Choice

Which of the following atomic structures represents Fluorine?

KEEP CALM & CONTINUE ON...

Work with your partner(s) from last class to continue Nuclear Fusion investigations 2 and 3