element groups
Bonds
properties of elements
vocab
mystery
100
which group is carbon in
14
100
what is a covalent bond
a bond formed when atoms share one or more pairs of electrons
100
which group is nonreactive
18
100
what is chemical bonding
the combining of atoms to form molecules
100
what elements make up sodium chloride
sodium and chlorine
200
which group has a full valence electron cloud
18
200
what is an ionic bond
the attractive force between two oppositely charged ions
200
which element group is brittle dull and poor conductors
nonmetals
200
what is an ion
a charged atom
200
how many valence electrons does oxygen have
6
300
how many valence electrons does group 3-12 have
1 or 2
300
what is a metallic bond
a bond formed by the attraction between oppositely charged ions
300
which group is the most reactive
1
300
what is a valence electron
an electron that is in the outermost shell of an atom
300
what type of element bends without breaking
metals
400
which group has oxygen
16
400
what are the 3 things an atom can do to make a full cloud
lose gain or share electrons
400
groups 3-12 are called what
transition metals
400
what is a molecule
a group of atoms that are held together by chemical forces
400
do most metals have a positive or negative charge
positive
500
which group is mercury in
12
500
what happens when atom shares electrons with another element
it creates a whole new substance
500
how many natural occuring elements are there
92
500
what is a crystal lattice
the regular pattern in which a crystal is arranged
500
what are the properties of an ionic bond
brittle highly soluble with high melting and boiling points
M
e
n
u