Chem 1 H Periodic Table Quiz

The amount of energy required to remove an electron from the outermost shell of an atom is known as the _________________ energy.

• electrostatic

• valence

• ionization

• inertial

Going across a row of elements (from left to right) on the periodic table, the atomic radius ____________.

• increases

• decreases

Elements located in vertical columns on the periodic table are known as chemical __________.

• families

• periods

• metals

• nonmetals

Of the following, which is NOT a metal?

• Li

• Kr

• Na

• K

The atomic radius is one half the distance between the

____________.

• outermost electrons of bonded atoms. C.

• innermost electrons of bonded atoms.

• atoms in a gas.

• nuclei of bonded atoms.

The following information is known about an unidentified element, X:

i. it exists as a diatomic gas, X₂

ii. it forms binary compounds with hydrogen and sodium that have the general formulas, HX and NaX.

X may be _________________________

• oxygen (O)

• lead (Pb)

• nitrogen (N)

• fluorine (F)

Lithium, sodium, and potassium belong to a chemical family called ____________.

• transition metals

• alkali metals

• alkaline earth metals

• halogens

The chemical properties of atoms depend mostly on

____________.

• their atomic masses.

• the masses of the nuclei involved.

• the number of neutrons in their nuclei.

• the number of electrons in their outermost shells.

In the modern periodic table the elements are arranged in the order of increasing ____________.

• atomic charges.

• atomic radii.

• atomic numbers.

• atomic volumes.

In the periodic table, the METALLIC CHARACTER of the elements generally INCREASES going from ____________.

• left to right.

• bottom to top.

• right to left AND top to bottom.

• left to right AND top to bottom.