Chemistry

Question 1

Molecule

Answer 1

1.A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction

Question 2

Ion

Answer 2

1.An atom or molecule with a net electric charge due to the loss or gain of one or more electrons

Question 3

Strong Force

Answer 3

h

Question 4

Chemistry

Answer 4

1.The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances

Question 5

Valence Electrons

Answer 5

electrons on teh outer shell that show the bondings

Question 6

Orbitals

Answer 6

1.Each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons, and that can be represented as a wave function

Question 7

Electron Cloud

Answer 7

h

Question 8

Protons

Answer 8

A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron.

Question 9

Electons

Answer 9

1.A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids

Question 10

Neutrons

Answer 10

1.A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen

Question 11

Palsma

Answer 11

3.An ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge, typically at low pressures (as in the upper atmosphere and in fluorescent lamps) or at very high temperatures (as in stars and nuclear fusion reactors)

Question 12

Liquid

Answer 12

1.Having a consistency like that of water or oil, i.e., flowing freely but of constant volume

Question 13

Gas

Answer 13

2.A substance of this type that cannot be liquefied by the application of pressure alone

Question 14

Solid

Answer 14

Firm and stable in shape; not liquid or fluid

Question 15

Kinetic Theory

Answer 15

1.The body of theory that explains the physical properties of matter in terms of the motions of its constituent particles

Question 16

Coeffieient

Answer 16

the number of molecules of a chemical fromula

Question 17

Subscript

Answer 17

tells the number of atoms of an elements in one molecule

Question 18

Chemical Formula

Answer 18

A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound.

Question 19

Non Metals

Answer 19

A term used by William Cullen and his students for the following group of substances; zinc (Zn), anitmony (Sb), bismuth (Bi). arsenic (As), platinum (Pt), cobalt (Co), nickel (Ni).

Question 20

Metals

Answer 20

(metal) metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.

Question 21

Metalloids

Answer 21

1.An element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. They are electrical semiconductors

Question 22

Atom

Answer 22

builds up all matter, made from prototrons electrons and neutrons

Question 23

Subatomic Particle

Answer 23

j