Science Chapter 1 Electron and Chemical Bonding

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Chemical bonding

joining of atoms to form new substances. properties of new are different from the original elements

chemical bond

force of attraction that holds 2 atoms together

valence electrons

electrons in the outermost energy level of an atom

ionic bond

the force of attraction between oppositely charged ions

ions

charged particles that form during chemical changes when one or more valence electrons transfer from atom to another

crystal lattice

the ions that make up an ionic compound are bonded in a repeating 3 D pattern

how does an atom become a negative ion

it gains an electron

what are 2 properties of ionic compounds

brittle, form crystal lattice

covalent bonds

force of attraction between the nuclei of atoms and the electrons shared by the atoms

molecule

neutral group of atoms held together by covalent bonds

diatomic molecules

simplest molecules. consist of two atoms bonded together.

metallic bonds

the force of attraction between a positively charged metal ion and electrons in a metal

ductility

the ability to drawn into wires

malleability

the ability to be hammered into sheets

what happens to electrons in covalent bonds

they are shared by the atoms

what type of element is most likely to form a covalent bond

nonmetals

whos the best science teacher in 8th grade

mrs petre

The force of attraction that holds two atoms together is a

chemical bond

charged particles that form when atoms transfer electrons

ions

The Force of attraction between the nuclei of atoms and shared electrons is a(n)

covalent bond

Electrons free to move throughout a material are associated with a

metallic bond

shared electrons are associated with what type of bond

covalent bond

Which element has a full outermost energy level containing only two electrons

Helium (He)

The properties of ductility and malleability are associated with which type of bond

metallic

In which area of the periodic table do you find elements whose atoms easily gain electrons

right side

draw the chart of Bonds what they are between and what the electrns do

Bond Between Electron
Ionic metals and non met. gain/lose (transfer)
Covalent non metals share
Metallic metals swim free to move

whose the best mom in the world

my mom

whose the best dad in the world

my dad

whose the best brother in the world

my brother

whose the best sis in the world

i am

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