TAKSTAKS

Warm-upsWarm-ups

TEKS 7BTEKS 7B

Research and describe the development Research and describe the development of the atomic theoryof the atomic theory

The drawing above of the J.J. Thompson atomic The drawing above of the J.J. Thompson atomic model differed from Rutherford’s more model differed from Rutherford’s more modern model because….modern model because….

a)a)It has negative chargesIt has negative chargesb)b)It has positive chargesIt has positive chargesc)c)It does not have a nucleusIt does not have a nucleusd)d)It’s roundIt’s round

Guiding question:Guiding question:

The following are questions dealing with The following are questions dealing with atomic structure. atomic structure.

GUIDING GUIDING QUESTION:QUESTION:

What is the What is the structure of structure of the atom?the atom?

Guiding Question: How do you Guiding Question: How do you find the atomic number, average find the atomic number, average atomic mass, and the quantity of atomic mass, and the quantity of each subatomic particle?each subatomic particle?

Guiding Question: How do you Guiding Question: How do you find the atomic number, find the atomic number, average atomic mass, and the average atomic mass, and the quantity of each subatomic quantity of each subatomic particle?particle?

IPC 7C Identify constituents of IPC 7C Identify constituents of various materials or objects such various materials or objects such as metal salts, light sources, as metal salts, light sources, fireworks displays, and stars using fireworks displays, and stars using spectral-analysis techniques.spectral-analysis techniques.

IPC 7D Relate the chemical IPC 7D Relate the chemical behavior of an element including behavior of an element including bonding, to its placement on the bonding, to its placement on the periodic tableperiodic table

Guiding Question: What are some Guiding Question: What are some general characteristics of each general characteristics of each family or group in the periodic family or group in the periodic table?table?

ppGuiding Question: Why are noble gases Guiding Question: Why are noble gases considered to be stable?considered to be stable?

Guiding Guiding Question: Question: What is the What is the name of the name of the element that element that has three has three energy levels energy levels and eight and eight electrons in electrons in the outermost the outermost shell?shell?

dull surfacesdull surfaces

Guiding Question: Guiding Question: How can you identify How can you identify a metal, nonmetal a metal, nonmetal and a metalloid and a metalloid using their using their properties?properties?

Bonding and Bonding and Compounds QuestionsCompounds Questions

Guiding questions: Why do elements in Guiding questions: Why do elements in the periodic table bond?the periodic table bond?

Guiding Question: How do you Guiding Question: How do you distinguish between polar and distinguish between polar and non-polar bonds?non-polar bonds?

a)a)IonicIonic

b)b)CovalentCovalent

c)c)MetallicMetallic

d)d)No bond is formedNo bond is formed

Guiding Question: What are the Guiding Question: What are the differences between ionic and covalent differences between ionic and covalent bonds?bonds?

Guiding Question:Guiding Question:

How do you determine How do you determine oxidation numbers?oxidation numbers?

The The oxidation oxidation number of number of this this compound compound is……is……

a)a) 7-7-

b)b) 1-1-

c)c) 9+9+

d)d) 9-9-

The The oxidation oxidation number of number of this this compound compound is……is……

a) 2+a) 2+b) 6+b) 6+c) 2-c) 2-d) 6-d) 6-

click for more information Question: How do you write a formula using oxidation numbers?

IPC 7E Classify samples of IPC 7E Classify samples of matter from everyday life as matter from everyday life as being elements, compounds, being elements, compounds, or mixtures.or mixtures.

Guiding Guiding Question: Question: How does a How does a compound compound resemble resemble the the elements elements that that comprise comprise it?it?

Guiding Guiding Question: Question: What are What are some some examples of examples of elements, elements, compounds, compounds, and and mixtures mixtures found in found in your home?your home?