Chemistry Semester Review

Elements to the right sideof the periodic table (p-block) have properties most associatedwith

The total number of protonsand neutrons in the nucleus of an atom is its

A homogeneous mixture isalso called

Which of these is a measureof Earth's gravitational pull on matter?

A horizontal row of blocksin the periodic table is called a(n)

A chemical change occurswhen

The electron configurationof aluminum, atomic number 13, is [Ne] 3s² 3p¹.Aluminum is in Period

If 4.0 g of element A combine with 10 g of element B, then 12 g of A combine with ____ g of  B.

A mixture is

The electron configurations of the noble gases from Ne to Rn make these elements part of the

An element with 8 electronsin its highest main energy level is a(n)

As the mass number of anelement’s isotopes of an element increases, the number of protons

Most of the volume of anatom is occupied by the

Mg, atomic number12, has the electron configuration [Ne] 3s². To what groupdoes Mg belong?

A nonmetal is usually

The main energy levels ofan atom are indicated by the

According to Bohr, electrons cannot reside at ____ in the figurebelow.

Elements in which the d-sublevel is being filled have theproperties of

The SI base units forlength and time are

What is the density of 37.72 g of material whose volume is 6.80 cm³?

The distance between twosuccessive peaks on adjacent waves is its

The relationship betweenthe mass m of a material, its volume V, and its density Dis

The discovery of whatelements added a new column to Mendeleev's periodic table?

An atom is

How much greater is theatomic # of the 4th element in groups 1, 2 and 18 than element before?

The measurement 0.035550 grounded off to two significant figures would be

How many minutes are in 1 week?

A quantum ofelectromagnetic energy is called a(n)

A theory is accepted as theexplanation of an observed phenomenon until

The letters for the first 4 sublevels w/ themax # of elec that are allowed in ea. sublevel are

The SI base unit for timeis the

Neutral atoms with an s²p⁶elect. config. in the highest energy level belong to which block?

Statesthat phys & chem properties of the elements are periodicfunctions of their atomic # is

According to Dalton'satomic theory, atoms

Under ordinary conditionsof temperature and pressure, the particles in a gas are