lt 1.3 periodic trends

Which of the following atoms is the largest?

 

hydrogen

 

nickel

 

paladium

 

platinum

plat

Which of the following is true?

 

An O2- ion is bigger than an S2- atom

 

An O2- ion is bigger than an F- ion

 

A Be2+ ion is bigger than an O2- ion

 

An O atom is bigger than an O2- ion

 

An O2- ion is bigger than an F- ion

A S^2- ion is _______ than a Cl^- ion, because it has _______.

 

bigger, less electron-proton attraction

 

bigger, more energy levels

 

smaller, more electron-proton attraction

 

smaller, fewer energy levels

 

bigger, less electron-proton attraction

Calcium atoms ____________.

 

form anions by gaining 1 electron

 

form anions by gaining 2 electrons

 

form cations by losing 1 electron

 

form cations by losing 2 electrons

 

 

form cations by losing 2 electrons

If it is easy to remove an electron from at atom, the atom is said to have a _____ ionization energy.

 

low

 

high

low

The smaller an atom is, the ____ its ionization energy is and the ______its electronegativity is.

 

greater, higher

 

greater, lower

 

less, lower

 

less, higher

 

greater, higher

Sulfur has a ______ ionization energy than selenium does, because ______.

 

lower, its valence electrons are closer in toward the nucleus

 

lower, its valence electrons are further away from the nucleus

 

higher, its valence electrons are closer in toward the nucleus

 

higher, its valence electrons are further out away from the nucleus

 

higher, its valence electrons are closer in toward the nucleus

Bromine is less electronegative than chlorine because

 

it has more proton-electron attraction

 

it has a greater mass

 

it has more valence electrons

 

it has more energy levels between its nucleus and its valence electrons

 

it has more energy levels between its nucleus and its valence electrons

Which element has the highest electronegativity?

 

oxygen

 

helium

 

fluorine

 

francium

fluorine

An atom of barium will most likely___ electrons to become a charge of ___

Answer 1:

lose 2

Answer 2:

+2