Which of the following compounds contains a polar covalent bond?
The name of the Cu+ ion is
Which one of the following elements forms two or more ions with different ionic charges?
The correct name for the compound N2O3 is
The number of electrons in an ion with 20 protons and an ionic charge of 2- is
Elements in group 2A(2) of the periodic table form ions with a charge of
A polar covalent bond is found in which of these compounds?
iron (III) sulfate.
Fe2(SO4)3 is called
Which of the following elements does not exist as a diatomic molecule?
The ion of aluminum is
a nonpolar molecule with polar bonds.
The carbon tetrachloride molecule, CCl4, is
The main type of interaction between molecules of hydrogen (H2) are
The name of the HSO4- ion is
The compound MgCl2 is named
The shape of the ammonia molecule (NH3) is
atoms lose, gain, or share valence electrons to have 8 valence electrons.
The octet rule indicates that
What is the correct formula for iron (III) sulfide?
The shape of the boron trifluoride molecule (BF3) is
What is the formula of a compound that contains Na+ and PO43- ions?
The correct formula for the compound formed from Mg and S is
The correct formula for a compound formed from the elements Al and O is
How many electrons will aluminum gain or lose when it forms an ion?
nonpolar covalent bond.
The bond in Cl2 is a(n)
Which one of the following compounds contains an ion with a 3+ charge?
The main type of interaction between molecules of carbon tetrabromide (CBr4) are
What is the ionic charge of an ion with 18 protons and 15 electrons?
The shape of the water molecule (H2O) is
Which of the following polyatomic ions has a 3- ionic charge?
shape of a molecule
The VSPER theory allows us to determine the
What is the formula for aluminum nitrate?
The carbon tetrachloride molecule, CCl4, has the shape of a
According to naming rules, the types of compound that use prefixes in their names are
Which of the following polyatomic ions has a positive charge?
What is the formula of carbon tetraiodide?
The correct name of the compound NCl3 is
has a net charge of zero
An ionic compound
needed to give it a noble gas arrangement.
In a covalently bonded molecule, the number of electrons that an atom shares with others is usually equal to the number of electrons
The ability of an atom to attract the shared electrons in a covalent bond is
What is the correct formula for the iron (II) ion?
electrons are lost and the ion is smaller
When a cation is formed from a representative element
The main type of interaction between molecules of ammonia (NH3) are
In ionic compounds, ______ lose their valence electrons to form positively charged _______.