Covalent and ionic atomic sizes: covalent radius, which is defined as one-half the distance between the nuclei of two identical atoms when they are joined by a covalent bond (this measurement is possible because atoms within molecules still retain much of their atomic identity). Ionic radius is the measure used to describe the size of an ion. Ionization energy: Energy required to remove an electron from a gaseous atom or ion. Electron affinity: Electron affinity (the energy associated with forming

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Genetic disorder: a disease or disorder that is inherited genetically (it is caused by mutation)

Describe a genetic disorder caused by a mutation in a single gene. hemophilia, it reduces activity of a
protein needed for blood clotting.

What causes Down syndrome? when someone has 47 chromosomes instead of 46 in each cell, there is
an extra 21st chromosome

What is nondisjunction? is the failure of replicated chromosomes to separate during meiosis

What is gene therapy? inserting normal genes into cells with
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Which state of matter has a definite volume and a definite shape? Solid

Which state of matter has a definite volume but not a definite shape? Liquid

Which state of matter does not have a definite volume nor a definite shape? Gas

Homogeneous mixtures can or cannot be filtered? Cannot

All heterogeneous mixtures can be filtered. True

In a mixture, the substances are or are not chemically combined? Not chemically combined 

n a mixture the substances can be separated by chemical or physical processes? Physical


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6. NOVEL OF POSGUERRA During the DECADE OF THE FOURTY there is a cut in the evolution of the Spanish narrative, due to a number of reasons: death of certain authors, forced exile of others and censorship and impossibility of import Tos texts of authorsForeigners After the Civil War, there is a break in the Spanish narrative with the nineteenth century as well as with the Generation of 27, marked by dehumanized art.During this time three types of novels will be developed.7 First, we find the novel

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6.The functions of body language within communication:

-Definition: As difficult as it is to prise apart the functions of verbal and non-verbal communication, researchers have over the years been able to identify some basic functions of body language within the communication process.

-These functions generally fit within one of several general categories:

+ Regulating:Body language serves the function of pacing and regulating communication. For instance, in a group of people, there are a number of

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