Test 2
What is the term for an atom (or group of atoms) that bears a charge as the result of gaining or losing valence electrons?
polyatomic ion
What is the systematic name for K^+?
potassium ion
What is the term for the elements in Groups 1, 2, 13-18?
representative elements
What is the chemical formula for hydrobromic acid?
HBr(aq)
What is the chemical formula for nitrous acid?
HNO▼2(aq)
What is the chemical formula for iodine heptafluoride?
IF▼7
Which of the following has chemical properties most similar to sodium?
K
Which of the following elements has the largest atomic radius?
Na
Which of the following elements has the most metallic character?
Na
What is the chemical formula for the ternary compound composed of Na+ and CO▼3^2- ions?
Na▼2CO▼3
What is the systematic name for aqueous H▼2CO▼3?
carbonic acid
What is the term for two different ions with the same electron configuration?
isoelectronic
What is the term for the smallest representative particle in a compound composed of molecules?
molecule
What is the Stock system name for NiS?
nickel(II) sulfide
What is the systematic name for MnO▼4-?
permanganate ion
What is the systematic name for aqueous H▼3PO▼3
phosphoric acid
What is the Stock system name for Fe▼2(SO▼4)▼3
iron(III) sulfate
What is the chemical formula for mercury(I) nitride?
(Hg▼2)▼3N▼2
Which of the following is the electron dot formula for an atom of potassium?
(a)
What is the predicted ionic charge for a K ion
1+
What is the electron configuration for a magnesium ion, Mg^2+?
1s^2 2s^2 2p^6
What is the electron configuration for a nitride ion, N^3-?
1s^2 2s^2 2p^6
What is the name of the family of elements in Group IIA/2?
Alkaline earth metals
Which of the following elements are fourth period semimetals?
Ge and As
What is the core notation for the electron configuration of an iodine atom?
[Kr] 5s^2 4d^10 5p^5
What is the core notation for the electron configuration of an aluminum atom?
[Ne]3s^2 3p^1
What is the systematic name for aqueous HC▼2H▼3O▼2?
acetic acid
What is the term for the elements with atomic numbers 90-103?
actinide series
What is the name of the family of elements in Group IA/1?
alkali metals
Which of the following ions is isoelectronic with the noble gas neon?
all of the above
Which of the following is an alkali metal?
all of the above
Which of the following is an alkaline earth metal?
all of the above
What is the general term for any negatively charged ion?
anion
What is the systematic name for BaF▼2
barium fluoride
What is the term for a compound containing one metal and one nonmetal?
binary ionic
What is the Stock system name for Cu^+?
copper(I) ion
What is the term for the inner electrons in an atom which are not available for bonding?
core electrons
Which of the following is a general trend in the periodic table for the atomic radius of the elements?
decreases from left to right, decreases from bottom to top
Which of the following is a general trend in the periodic table for the metallic character of the elements?
decreases from left to right, decreases from bottom to top
What is the systematic name for P▼2O▼5?
diphosphorus pentaoxide
What is the term for the description of the arrangement of electrons by sublevels according to increasing energy?
electron configuration
What is the term for the smallest representative particle in a compound composed of ions?
formula unit
What terms refer to a vertical column in the periodic table of elements?
group or family
What is the name of the family of elements of Group VIIA/17?
halogens
Which of the following is a general trend for ionization energy of elements in the periodic table?
increases from left to right; increases from bottom to top
What is the term for the two series of elements that include Ce-Lu and Th-Lr?
inner transition elements
What is the term for the minimum amount of energy to remove an electron from a neutral atom in the gaseous state?
ionization energy
What is the systematic name for S^2-?
sulfide ion
Aqueous HClO▼2 is classified as which of the following?
ternary oxyacid
What is the term for the elements in Groups 3-12?
transition elements