MLT CHEM102

Two types of mixtures are homogenous and heterogeneous. Which of the following are true?

Anions are negatively charged

A measure of the ability of an atom in a chemical compound to attract electron

Some diatomic molecules include

Nonmetals are poor conductors, what else is true about nonmetals?

A property that does not change as the amount of matter changes. It is independent of of the quantity

Metallic and transitional elements tend to form

Vertical columns of the periodic table are

Stock system uses Roman numerals while common nomenclature uses -ic, -ous

The attractive force between ions resulting in electron transfer

An atom or molecule which has a different number of protons and electrons and thus a net electrical charge

Anything that has mass and volume (takes up space)

The group numbers represent

What state of matter has a definite volume but no definite shape?

Explaining the difference between the weight of matter in space versus on earth

Using the element helium on the periodic table, if 2 represents the number of protons we can assume

Electron configuration describes how electrons are arranged within the atom. Gives an atom specific properties

What are the proper charges for each subatomic particle?

(He) which is at the top of Group VIII has how many valence electrons?

These formulas that include a Nitrogen and COH are examples of

In the transitional metal common nomenclature system what should be the ending for the higher charged element?

“Litcherally” the only other formula with two Oxygen :)

What state of matter has both definite volume and definite shape?

The number of protons in the nucleus of an atom of the element

Aliphatic hydrocarbon

Bonds that have a transfer of electrons

Elements usually react in such a way as to attain the electron configuration of the noble gases closest to them

Atoms that have the same number of protons, but different number of neutrons; thus, different atomic mass

Select all true statements

What state of matter has no definite volume and no definite shape?

Group VIII consists of

These SINGLE BONDED formulas ending in a single OH are

The metalloids include Germaine (Ge), Anthony (SB), and teletuby

Elements in which all of the inner shells are complete but the outer shell is incomplete

A positively charged ion

These formulas that contain Nitrogen WITHOUT Oxygen are examples of

The basic structural unit of an element

Periodic law: The physical and chemical properties of elements are periodic functions of their atomic mass

These DOUBLE bonded carbons are examples of

Total mass of the protons, neutrons, and electrons in a single atom when at rest

Developing a drug in a lab using a combination of hydrocarbons

Aside from being great heat and electricity conductors what else is true about metals?

A pure substance has only one component and can be chemical elements or compound. Examples include

Extensive properties are dependent on the amount of material. Select the extensive properties

A mixture is a combination of two or more pure substances

Polyatomic ions end in

The periodic table groups the elements according to

How many periods are there?

Using the element helium on the periodic table, what does the number 2 represent?

Elements whose atoms have an incomplete d sub-shell

What is true regarding atoms and their two distinct regions?

If 4 represents the atomic mass or total sum of each subatomic particle how do we find the # of electrons?

This is the formula for

“A” represents

In the transitional metal common nomenclature system what should be the ending for the lower charged element?

Atomic size increases from

The ability to do work, where work is movement of an object by some force

Covalent bonds

“X” represents

Performing a toxicology report to detect the amount of snake venom

Electronegativity of ionic bonds

Using the element helium on the periodic table, what does the number 4 represent?

Unequal sharing of electrons (one side is more negatively charged with electrons)

Alkane

Group A elements

Ionic compounds tend to form between

The elements of the periodic table can be classified as metal, metalloid, or nonmetals

Studying all chemical elements except for carbon and hydrogen

What is the difference between a chemical and physical property?

Monotonic ions end in

Group 1 is mostly

Nonmetallic elements tend to form

Studying the glycolysis (breakdown of glucose molecules) and it’s affects on the growth of an organism

This is the formula for

These formulas with COOH are examples of

A candidate providing a urine sample for pre employment screening

an idea or explanation that can be tested through study and experimentation

Select the intensive properties

The “Z” represents

These formulas with COH are examples of

In the transitional metal stock system how would you write FeCl2

Periods represent

Scientific law

Engineering a rocket using semiconductors and high-temperature ceramics

The smallest unit that retains chemical properties is the atom. What are the primary subatomic particles?

Electronegativity of covalent polar bonds

What are the two types of physical properties?

Preparing a solvent in the lab

Metalloids separate the metals from the nonmetals. What else is true about Metalloids?

Treating sources of water by first detecting the quantity of toxins

Group B elements

These TRIPLE bonded carbons are

A valid hypothesis must

The minimum energy required to completely remove an electron from an atom

Electronegativity of covalent bonds

Horizontal rows of the periodic table are

If numerous experiments support a hypothesis

Assessing a patient’s SPO2 and administrative oxygen