help
me
traped
in
sharna'sclass
100
compound composed of two different elements
What is binary compound
100
produces a hydrogen ion when dissolved in water
What is acid
100
consists of a single atom with a positive or negative charge
What is monatomic ion
100
produces a hydroxide ion when dissolved in water
What is base
100
In any chemical compound, the masses of elements are always in the same proportion by mass.
What is law of definite proportions
200
the attraction of valence electrons for metal ions
What is metallic bond
200
the number of ions of opposite charge surrounding each ion in a crystal
What is coordination number
200
atom or group of atoms having a negative charge
What is anion
200
atom or group of atoms having a positive charge
What is cation
200
tightly-bound group of atoms that behaves as a unit and carries a net charge
What is polyatomic ion
300
an electron in the highest occupied energy level of an atom
What is valence electron
300
Atoms react so as to acquire the stable electron structure of a noble gas
What is octet rule
300
a depiction of valence electrons around the symbol of an element
What is electron dot structure
300
an anion of chlorine or other halogen
What is halide ion
300
the force of attraction binding oppositely charged ions together
What is ionic bond
400
one-half the distance between the nuclei of two atoms when the atoms are joined
What is atomic radius
400
subatomic particles that are transferred to form positive and negative ions
What is electrons
400
ability of an atom to attract electrons when the atom is in a compound
What is electronegativity
400
type of ion formed by Group 2A elements
What is cation
400
energy required to remove an electron from an atom
What is ionization energy
500
horizontal row in the periodic table
What is period
500
vertical column in the periodic table
What is group
500
A repetition of properties occurs when elements are arranged in order of increasing atomic number.
What is periodic law
500
type of element that is a good conductor of heat and electric current
What is metal
500
type of element characterized by the presence of electrons in the d
What is transition metal
M
e
n
u