Show:
8.1
8.2
8.3
9.1
9.2
100
shows the valence electrons of an atom as dots distributed around the element’s symbol
What is electron dot diagram?
100
an electrically neutral compound consisting of positive and negative ions
What is ionic compound?
100
the attraction of the stationary metal cations to the surrounding mobile electrons
What is metallic bond?
100
a bond in which two atoms share one or more pairs of electrons
What is covalent bond?
100
the outermost occupied shell of electrons in an atom
What is valence shell?
200
Since electrons ______ each other, the dots for a given atom are distributed evenly around the symbol before they are paired
What is repel?
200
the lowest whole number ratio of the ions present in an ionic compound
What is formula unit?
200
Metals conduct electricity and heat very well because of their _____ electrons
What is free-flowing?
200
The structures of molecules that are held together by covalent bonds can be diagrammed by
What is Lewis electron-dot structures?
200
What does VESPR stand for?
What is valence-shell electron pair repulsion model?
300
states that elements tend to form compounds in ways that give each atom eight valence electrons
What is octet rule?
300
The electron dot diagrams show the nature of the electron transfer that takes place between _____ and _____ atoms
What is metal and nonmetal?
300
the most efficient way to pack spherical objects
What is closest packing?
300
a pair of electrons in a Lewis electron-dot structure that is not shared between atoms
What is lone pair?
300
True or false: Boron violates the octet rule?
What is true?
400
Used to describe two atoms or ions that have the same electron configuration
What is isoelectronic?
400
the number of ions that immediately surround an ion of the opposite charge within a crystal lattice
What is coordination number?
400
Brass is an ____ of copper and zinc.
What is alloy?
400
Why do you divide by 2 for the Lewis Electron Dot Structure?
What is to put electrons into pairs?
400
The molecular geometry of the water molecule is referred to as
What is bent?
500
Many transition metals cannot ____ enough electrons to attain a noble gas electron configuration
What is lose?
500
Distilled water does not conduct a current because water is a
What is molecular compound?
500
Steels are widely used in building construction because of their strength, hardness, and resistance to _______
What is corrosion?
500
True or false: you have to put the charge in the top right corner for Polyatomic Lewis Electron Dot Structures?
What is true?
500
The VSEPR model can be applied to predict
What is molecular geometry of a given molecular compound?