CrossChemACPU4TestReview2024

Front

What is the ground state of an atom?

Back

The ground state of an atom is the lowest energy state of the atom, where electrons occupy the lowest available energy levels.

Front

What is an orbital diagram?

Back

An orbital diagram is a visual representation of the electron configuration of an atom, showing the distribution of electrons in atomic orbitals.

Front

How do you determine the number of significant figures in a number?

Back

Significant figures are determined by counting all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

What does it mean when an atom is ionized?

Back

Ionization refers to the process of an atom gaining or losing electrons, resulting in a charged particle called an ion.

Front

What is the significance of valence electrons?

Back

Valence electrons are the outermost electrons of an atom and are important for determining how the atom will bond with other atoms.

Front

What is the relationship between wavelength and frequency of light?

Back

The wavelength and frequency of light are inversely related; as the wavelength increases, the frequency decreases, and vice versa.

Front

How do you calculate the frequency of a photon given its wavelength?

Back

Frequency (f) can be calculated using the formula f = c/λ, where c is the speed of light and λ is the wavelength.

Front

What are the common properties of alkali metals?

Back

Alkali metals (Li, Na, K, Rb) are highly reactive, have one valence electron, and form +1 ions.

Front

What does the ion symbol for Boron indicate if it has a charge of +3?

Back

A charge of +3 indicates that Boron has lost 3 electrons.

Front

What is the formula for calculating significant figures in addition and subtraction?

Back

In addition and subtraction, the result should be rounded to the least number of decimal places of any number in the operation.