Fundamentals
Ionic Bonding
Covalent Bonding
Names & Formulas
(Ionic Compounds)
(Ionic Compounds)
Names & Formulas
(Covalent Compounds)
(Covalent Compounds)
200
How many valence electrons does carbon have if it is in Group 14?
4
four
200
An ionic bond will always form when these two types of elements react.
metal and a nonmetal
200
A covalent bond will always form when these two types of elements react.
nonmetal and nonmetal
200
What is the name of KBr
potassium bromide
200
What is the name of H2O
dihydrogen monoxide (NOT monooxide)
400
Which electrons are responsible for the reactivities of the elements?
valence electrons
outermost electrons
electrons in outermost shell
400
An atom or molecule that has a net negative or positive charge is called a/an _____.
ion
400
When an atom hogs/attracts electrons in a covalent bond, it is said to be _____.
400
What is the formula for lithium hydride
LiH
400
What is the formula for phosphorus trihydride
PH3
600
Elements require how many electrons in the outermost shell to be considered stable?
8
eight
600
A positively charged ion is called a/an _____.
cation (Li+, Na+, Cu+, Cu2+, NH4+)
600
Which atom is the LEAST electronegative atom?
Francium (Fr)
600
What is the name of Na2SO4?
sodium sulfate
600
What is the name of CO?
carbon monoxide (NOT monooxide)
800
When two or more atoms share electrons.
covalent bond
800
Group 1 metals will always ionize to form ions with a ____ charge. (Give number and sign; e.g. 1-, 1+, 2+, etc.)
1+
800
What type(s) of bonds are shown in the compound below?
2 single bonds and 2 double bonds
800
What is the formula for potassium carbonate?
K2CO3
800
What is the name of N2O4?
dinitrogen tetroxide (NOT tetraoxide)
1000
If an atom loses an electron, then that atom will become ____ charged.
positively charged
1000
Ions that that contain multiple atoms/elements are called ____.
polyatomic ions
1000
Molecules that have an uneven distribution of electrons are called _____.
polar
1000
What is the name of CuO?
copper(II) oxide
1000
What is the formula for tetracarbon octahydride?
C4H8
1200
The bond formed when two or more atoms transfer electrons.
ionic bonding
1200
A negatively charged ion is called a/an _____.
anion
1200
How many electrons are in a covalent bond?
two
1200
What is the formula for sodium iodide?
NI
1200
What is the formula for carbon tetrachloride?
CCl4
1400
If an atom gains an electron, then that atom will become ____ charged.
negatively charged
1400
Metals in Group 2 always form ions that have a ____ charge. (Give number and sign; e.g. 1-, 1+, 2+, etc.)
1400
Which type of bond is the strongest?
triple bond
1400
What is the name of NH4F?
ammonium fluoride
1400
What is the name of NO?
nitrogen monoxide (NOT monooxide)
1600
The following diagrams only show the valence electrons for each element/atom and are called _______.
electron dot diagrams
1600
Halogens always ionize to form ions with a ____ charge. (Give number and sign; e.g. 1-, 1+, 2+, etc.)
1600
Which element is the MOST electronegative?
Fluorine
1600
What is the name of Mg(NO3)?
magnesium nitrate
1600
What is the name of H2O2?
dihydrogen dioxide
1800
How many electrons does sulfur need to have a full valence shell if it is in Group 16?
2
two
1800
What charge does copper have in the ionic compound CuCl2?
copper(II)
1800
How many bonds can carbon form? (i.e. How many valence electrons does carbon need)
Figure: charcoal is mostly pure carbon
4
four
1800
What is the formula for iron(II) chloride
FeCl2
1800
What is the formula for tetraboron tetrahydride?
B4H4
2000
Ionic compounds can form larger, ordered 3D structures called ___
crystals/crystal lattices
2000
What is the charge on iron (Fe) in the ionic compound Fe2O3?
2000
How many bonds can nitrogen form? (i.e. How many valence electrons does carbon need)
2000
What is the formula for ammonium sulfate?
(NH4)2SO4
2000
What is the formula for pentasulfur hexanitride
S5N6