Periodic Trends

Front

Which element has a lower ionization energy than Scandium (Sc)? Options: Helium (He), Titanium (Ti), Calcium (Ca), Magnesium (Mg)

Back

Calcium (Ca)

Front

Which atom has the largest atomic radius? Options: potassium, rubidium , francium, cesium

Back

francium

Front

As you move down the periodic table, why do atoms get bigger?

Back

The atoms have more energy levels.

Front

Why do atoms tend to get smaller as you move across the periodic table?

Back

the atoms have more protons.

Front

Atoms that have a high electronegativity, _______________.

Back

hold on to their electrons more tightly.

Front

Electronegativity is...

Back

how good an atom is at attracting electrons

Front

Ionization energy is...

Back

how much energy it takes to remove an electron from an atom

Front

Atom with the largest atomic radius in Group 18: Ar, He, Kr, Rn

Back

Rn

Front

The element with the largest electronegativity in the halogens is - At, F, Cl, Br

Back

F

Front

Element with the lowest electronegativity in Period 3: Na, Cl, Ar, Mg

Back

Ar