Science
With the exception of Hydrogen all atoms want to have full outermost energy levels with how many electrons? What is this number called?
8 Octet
A negative ion is called _____
Anion
Negatively charged ions, called _____, result from gain of electrons.
Anions
A _____ dot diagram is used to represent covalent bonds A. covalent B. Electron C. molecule
B
Covalent Bonds occur between.... A. Only metal atoms B. Only non-metal atoms C. A metal atom and a non-metal atom.
B
Ionic Bonds occur between.... A. Only metal atoms B. Only non-metal atoms C. A metal atom and a nonmetal atom
C
Metallic solids are solids made entirely of ________. A. ionic bonds B. Covalent bonds C. one metallic element D. multiple metallic elements
C
A positive ion is called _______
Cation
Positively charged ions, called _____, result from loss of electrons.
Cations
The process of combining atoms of elements to form new substances.
Chemical Bonding
A ______ bond is a bond where atoms share valence electrons
Covalent
What type of bond involves atoms sharing electrons?
Covalent
A number of ions grouped together in a regular, repeating pattern is called a _____ _____
Crystal Lattice
The property of metals to be drawn out into wire is called?
Ductile
Name the 8 diatomic elements.
H; N; O; Cl; Br; I; At
When a neutral Atom becomes charged it is called an ______
ION
What kind of bond involves a transfer of an electron from one atom to another?
Ionic Bonds
The property of metals to be pounded into sheets or different shapes for jewelry is called ?
Malleable
_______________Bonds is formed by the atoms of metals, in which the outer electrons of the atoms form a common electron cloud. The electrons become property of all the atoms.
Metallic
Because the electrons in a metallic solid are ________, the metal can be bent into shapes or drawn into wire.
Mobile
The combination of atoms formed in a covalent bond is called a ______
Molecule
The smallest particle of a covalently bonded substance that have all the properties of that substance is called a ______
Molecule
Electrons have what kind of charge.
Negative
Diamond and Graphite are example of covalently bonded ______________solids
Network
What is the center of an atom called?
Nucleus
_______ Ions are a group of covalently bonded atoms with a charge that acts like a single atom when combining with other atoms.
Polyatomic
When electrons cannot be gained or lost, they are _____
Shared
True or False Atoms are electronically neutral: that they do not have a charge.
True
True or False Covalent bonding can take place between atoms of the same elements
True
True or False Metals give up electrons easily
True
In metal solids, the ______ electrons form a shared electron cloud.
Valence
What are the electrons in the outermost energy level called?
Valence Electrons
What is the name given to the outermost electron?
Valence electron
Ions of opposite charge ______ each other easily, so they form a specific pattern called a crystal lattice.
attract
Covalent molecules vary in strength based on the number of ______ that form between atoms
bonds
What is it called when a metal can be drawn into wire.
ductility
When an electron is added to or removed from an atom, the atom becomes an
ion
An _____ bond forms when a cation transfers its extra electron to an anion who needs it
ionic
the process of removing or adding electrons is called ____
ionization
Covalent bonds always form between nonmetals and _____
nonmetals
Ionic bonds always form between metals and ______
nonmetals