7.1 Ions

Diagrams that show valence electrons as dots are called_____. (octet rule, valence electrons, electron dot structures, cations,group)

Electron dot structures

The _______ number of a representative element indicates how many valence electrons that element has. (octet rule, valence electrons, electron dot structures, cations,group)

Group

Atoms acquire the stable electron structure of a noble gas by losing electrons (True, False, Sometimes True)

Sometimes True

has the electron configuration of argon (octet rule, halide ions, chloride ion, electron dot structure, cations,valence electron, anions)

chloride ion

Gilbert Lewis's _______ states that in forming compounds, atoms tend to achieve the election configuration of a noble gas. (octet rule, valence electrons, electron dot structures, cations,group)

octet rule

atoms in compounds tend to have the electron configuration of a nobel gas (octet rule, halide ions, chloride ion, electron dot structure, cations,valence electron, anions)

octet rule

State the number of electrons lost or gained in forming Br(negative). Name the ion and tell whether it is an anion or a cation.

1 electron gained bromide ion anion

State the number of electrons lost or gained in forming Ag(positive). Name the ion and tell whether it is an anion or a cation.

1 electron lost silver ion cation

The citations of Group 1A elements always have a charge of ____________. (, 1+, charges, halide ions ,gain)

1+

State the number of electrons lost or gained in forming Mg²(positive). Name the ion and tell whether it is an anion or a cation.

2 electrons lost magnesium ion cation

State the number of electrons lost or gained in forming Ca²(positive). Name the ion and tell whether it is an anion or a cation.

2 electrons lost calcium ion cation

An atom of an element in Group 1A has seven valence electrons (True, False, Sometimes True)

False

The chlorine atom gains seven electrons when it becomes an ion (True, False, Sometimes True)

False

sulfur and magnesium both have valence electrons (True, False, Sometimes True)

False

Among the Group 1A and 2A elements, the group number of each element is equal to the number of valence electrons in an atom of that element. (True, False, Sometimes True)

True

The chemical properties of an element are largely determined by the number of valence electrons the elements has. (True, False, Sometimes True)

True

Elements within the same group of the period table behave similarly because they have the same number of what? (octet rule, valence electrons, electron dot structures, cations,group)

Valence electrons

atoms or groups of atoms with a negative charge (octet rule, halide ions, chloride ion, electron dot structure, cations,valence electron, anions)

anions

atoms or groups of atoms with a positive charge (octet rule, halide ions, chloride ion, electron dot structure, cations,valence electron, anions)

cations

The transfer of valence elections produces positively charged ions, or ___________, and negatively charged ions called __________. (octet rule, valence electrons, electron dot structures, cations,anions, group)

cations anions

For transition metals, the ____________ of cations may vary. (, 1+, charges, halide ions, anions,gain)

charges

a depiction of valence electrons around the symbol of an element (octet rule, halide ions, chloride ion, electron dot structure, cations,valence electron, anions)

electron dot structure

Ions that are produced when halogens gain electrons (octet rule, halide ions, chloride ion, electron dot structure, cations,valence electron, anions)

halide ions

____________ are produced when atoms of elements in Group 7A ___________ an electron. (, 1+, charges, halide ions, anions,gain)

halide ions gain

an electron in the highest occupied energy level of an element's atom (octet rule, halide ions, chloride ion, electron dot structure, cations,valence electron, anions)

valence electron