2022-2023Chemistry, 1st Semester Final

The smallest unit of an element that can exist on it's own or with other particles is a/an:

.250 mols of Mercury is:

When ____ always round to the decimal place that is least specific in all your measurements.

A perfect example of a chemical change is:

Max Planck proposed that hot objects radiate energy in specific amounts called:

The sub level and orbital that is filled immediately after 4p is:

All atoms of the same element always have the same number of

Do the following calculation and round to the correct number of sig figs: 64.4 g/ 2.0 ml

If you have 1.204 x 10²³ atoms of Gold, what mass in grams do you have?

Experiments with a cathode ray tube led to the discovery of the:

Of the following which are considered physical changes:

A combination of pure substances blended together is: 

All "d" sub levels hold a maximum of: 

The __________ states that no two electrons can have the same four quantum numbers.

All of the following are units of length EXCEPT:

The SI base unit for length is:

All of the following are a part of Dalton's Atomic Theory, EXCEPT:

The angular momentum quantum number tell us:

The French scientist Louis DeBroglie is known for:

In order for an electron to move to a higher energy level the atom must:

Which of the following is the measure of the amount of a substance?

The electron configuration 1s² 2s² 2p⁶ 3s² 3p⁴ is

Research carried out for the sake of new knowledge is:

When calculating density you:

Metalloids:

Carbon-14, which is used in radioactive testing has a total of:

Atoms of the same element with a different number of neutrons are:

The orbital that does not exist in the electron cloud is:

Inorganic Chemistry is the study of:

All of the following are examples of extensive properties EXCEPT:

Homogeneous Mixtures are:

Precision means: 

Round the following measurement to two sig. figs: 0.04590789004 kg

The atom is electrically neutral because the number of _______ and _______ are equal.

When calculating the volume of something w/these dimensions: 1.27 cm, 1.3 cm, 2.5050 cm

The mass in grams of one mole of a substance is known as:

A solid piece of aluminum  is 4.05 g and has a volume of 1.50 cm^3, calculate its' density:

1060 mL of hydrogen peroxide is the same as:

Rutherford was responsible for:

The number of sig figs in the following measurement is: 0.000 305

The following molecules ( NO, NO₂, NO₃, N₂O₃) are a perfect example of:

Observations that are quantitative are:  

The number that encompasses both the protons and neutrons is:

The amount of energy in a photon is related to:

Qualitative observations are:  

All of the following are characteristics of non-metals EXCEPT:

All of the following are chemical changes EXCEPT:

The rows on the periodic table of elements are known as:

The branch of chemistry that deals with living things is:

All of the following are intensive properties EXCEPT:

Do the following calculation and round to the correct number of sig figs:13.00089 x 6

What type of research is carried out to solve a problem?

If an experimental value is the same as an accepted valued the experimental value shows: