chapter 5 the structure of matter Jacob Cheatum
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What is chemical structure ?
Chemical structure is what makes up the substance .
What is chemical bond ?
Chemical bond a strong attraction holding atoms together .
What is bond length ?
Bond length is the distance between the nucleus and the two bonded atoms .
What is bond angle .
Bond angle is formed from three bonded atoms of at least two bonds .
What is a hydrogen bond ?
A hydrogen bond is a weak bond between atoms .
What is a ionic bond ?
Is a bond with different charged ions and is the transfer of valence electrons .
What a metallic bond ?
Is the force of attraction between valence electrons and metal ions .
What is a covalent bond ?
It is the sharing of electron pairs .
What is a polyatomic ion ?
It is made up of two or more bonded atoms .
What is a formula unit ?
It is the smallest whole number unit of ions .
What is a nonpolar covalent bond ?
Arrive when the electronegative of the two atoms are equal.
Empirical formula
Is the simplest whole number ratio of subscripts of the elements .
Molecular formula
Number of atoms of each element occur in the smallest existing unit .
Organic compound ?
A organic compound is a compound which its molecules contain Carbon .
Polar covalent bond
The molecules spend more time near the nucleus .
Polymer
A substance that has a molecular structure consisting of a large number of the same units .
Carbohydrates
Compounds made from three elements Carbon hydrogen oxygen .
Proteins
Chains of amino acids that have a variety of structures .
Hydrocarbon
A hydrocarbon is a compound of hydrogen and Carbon .
Alkane
Alkane consist of only hydrogen and oxygen atoms .
Alkene
Contains at least one Carbon double bond .
DNA
Are amino acids that Carrie genetics and what makes up our body .
Amino acids
Amino acids are a compound containing carboxyl