Trends of the Periodic Table Review

The nucleus of every atom is very dense.

Electronegativity values are higher for metals than for nonmetals.

Which configuration is the configuration of the highest occupied energy level for strontium,Sr?

Ionization energy increases as you move across a period from left to right.

Which configuration is the configuration of the highest occupied energy level for sulfur, S?

Electronegativity increases as you move across a period from left to right.

Which atom is composed of 16 protons, 16 electrons, and 16 neutrons?

The mass number is generally equal to or greater than the atomic number.

The smallest particle of an element that retains its identity in a chemical reaction is a

Hydrogen (H) is on the left in the periodic table.

Which configuration is the configuration of the highest occupied energy level for krypton, Kr?

Isotopes of an element have different atomic masses.

A calcium atom is larger than a calcium ion.

Ions are always larger than the atoms from which they are formed.

Select the correct electron configuration for silicon (Si), atomic number 14.

Atoms of nonmetals are among the largest atoms.

Among all the elements in a period, the noble gas always has the smallest ionization energy.

In an atom, the number of neutrons is generally equal to or greater than the number of protons.

In the third energy level of an atom,

If the spheres represent an atom and an anion of the same element, which represents the anion?

If the spheres represent an atom and an anion of the same element, which represents the atom?

Every aluminum-27 atom has 27 protons and 27 electrons.

Which configuration is the configuration of the highest occupied energy level for germanium,Ge?

The mass number of aluminum-27 is 27.

Which wave has the lowest frequency?

Which wave has the highest energy?

An electron is repelled by a negatively charged particle.

Atomic radius increases as you move across a period from left to right.

The nucleus of every atom is composed of protons, electrons, and neutrons.

List the symbols for sodium (Na), sulfur (S) & Cesium (Cs) in order of increasing atomic radii.

As the wavelength of light increases,

If the spheres represent a potassium atom and a potassium ion, which best represents the ion?

Which two orbitals have the same shape?

Within any period, atomic radii tend to decrease moving from right to left.

The nuclei of an element's isotopes contain different numbers of protons.

Which wave has the longest wavelength?

The nucleus of every atom has a positive charge.

The element hydrogen (H) is a metal.

Which configuration is the configuration of the highest occupied energy level for beryllium,Be?

Which of these descriptions is incorrect?

An electron has a negative charge.

The electron configuration for an element in the halogen group should always end with