Matter is classified in pure substances and mixtures?

Type of mixture in where the composition is uniform throughout different parts of the mixture are not visible

The decantation, filtration and centrifugation are homogeneous separation methods?

State of matter that has a define shape, a define volume and where the particles are close together

Two or more different substances are physically mixed, but not chemically combined

The physical properties describe the ability of a substance to change into a new substance?

Takes place when the water particles with sufficient energy scape from the liquid surface and enter the gas phase

Process that takes place when the gas particles change directly to a solid

Is everything that has a mass and occupies space

The number of protons in an atom

Total number of protons and neutrons in the nucleus.

Atoms with the same number of protons but different numbers of neutrons.

The plum pudding model was created by?

First stated that Atoms are indivisible and indestructible

Concluded that atoms consisted mostly of empty space through wich the electrons move.

Known as the planetary model

Proposed the model in which electrons are treated as waves.

Given by the last letter that appears in the electron configuration

Given by the highest energy level reached in the electron configuration

What is the difference of cation and anion?

How is it call the ability to attract shared electrons in a chemical bond?

Ions are form when atoms lose or gain electrons

How is it call the tendency of atoms to attain a stable electrons configuration?

What are the melting and boiling points of ionic bonds?

Polyatomic atoms are atoms that lost or gained or more electrons to create a charged particle?

H2, I2 and O2 are examples of?

What is the IUPAC name of CO2?

How is it call the link between atoms that result from the sharing of two electrons?

What is the type of bond of F2?

How many elements does the periodic table has in total?

How many elements are natural and make up all the substances in the universe?

Are the one or two letter abbreviation for the names of the elements?

If an element is mostly solid, good conductor of heat and electricity and is shiny, is a..?

If an element is a semi conductor and has shared properties is a…?

From what family of elements is group 1A of the periodic table?

From what family of elements is group 4A of the periodic table?

To which direction is the atomic size trend?

To which direction is the ionization energy trend going?

Which is the symbol of Iron