Period
Horizontal row in the periodic table.
Group
Vertical column in the periodic table.
Periodic Law
A repetition of properties occurs when elements are arranged in order of increasing atomic number.
Metal
Type of element that is a good conductor of heat and electric current.
Cation
type of ion formed by Group 2A elements.
Electrons
Subatomic particles that are transfered to form positive and negative ions.
Ionization Energy
Energy required to remove an an electron from an atom.
What is another name for the representative elements?
Group A elements.
Which of the following elements is in the same period as phosphorus?
Magnesium.
The modern periodic table is arranged in order of increasing atomic
Number.
Which of the following categories includes the majority of the elements?
Metals.
Of the elements Pt, V, Li, and Kr, which is a nonmetal?
Kr.
What element has the electron configuration 1s2, 2s2, 2p6 3s2,3p2?
Silicon.
Which subatomic particle plays the greatest part in determining the properties of an element?
Electron.
Which of the folllowing elements is a transition metal?
Copper.
Of the following elements Fe, Hg, U, and Te, which is a representative element?
Hg.
What is the charge of a cation?
A positive charge.
Which of the following statements is true about ions?
Cations form when an atom loses electrons.
The metals in Groups 1A, 2A, and 3A..
Lose electrons when they form ions.
In which of the following groups of ions are the charges all shown correctly?
Ca2+, Al3+, Br-
How many valence electrons are in an atom of phosphorus?
5
How many valence electrons are in an atom of magnesium?
2
How many valence electrons are in a silicon atom?
4
How does calcium obey they octet rule when reacting to form compounds?
It gives up electrons.
The octet rule states that, in chemicals, compounds, atoms, tend to have..
The electron configuration of a noble gas.
How many electrons does barium have to give up to achieve a noble-gas electron configuration?
2
Which of the following elements does NOT form an ion with a charge of 1+?
Fluorine.
How many electrons does nitrogen gain in order to achieve a noble-gas electron configuration?
3
What type of ions have names ending in -ide?
Only anions.
What is the correct name for the N3 -ion?
Nitride ion.
The nonmetals in Groups 6A and 7A..
Have a numerical charge that is found by subtracting 8 from the group number.
An -ate or -ite at the end of a compound name usually indicates that the compound contains...
A polyatomic anion.
Which of the following is true about the composition of ionic compounds?
They are composed of anions and cations.
Which element, when combined with fluorine, would most likely form an ionic compound?
Lithium.
Which of the following correctly represents an ion pair and the ionic compound the ions form?
Ca2-, F-; CaF2.
In which of the following is the name and formula given correctly?
Stannic fluoride, SnF4.
Which of the following compounds contaqins the lead (II) ion?
PbO
Which set of chemical name and chemical formula for the same compound is correct?
tin(IV) bromide,SnBr4.
What is the correct formula for potassium sulfite?
K2,SO3.
Which set of chemical name and chemical formula for the same compound is correct?
Iron (III) phosphate, FePO4