Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
Matter- Anything that has mass and takes up space. |
Atom- A small particle that makes up most types of matter. |
|
|
Law of Conservation of Matter- Matter is not created or destroyed , it only changes form. |
Electrons- Negatively charged particles. |
|
|
Nucleus- Positively charged, central part of an atom. |
Protons- Positively charged particle located in the nucleus of an atom and that is counted to identify the atomic number |
|
|
Neutrons- An uncharged particle located in the nucleus of an atom. |
Element- Matter made up of only one kind of atom. |
|
|
Atomic Number- The top number |
Isotopes- 2 types of chlorine atoms are chlorine-35 and chlorine-37. |
|
|
Mass Number- Number of protons plus the number of neutrons it contains. |
Atomic Mass- weighted average mass of the isotopes of an element. |
|
|
Metals- Element that is malleable, ductile, a good conductor of electricity, and generally has s shiny or metallic luster. |
Nonmetals- Elements that are usually gases or brittle solids and poor conductors of electricity and heat; are the basis of the chemicals of life. |
|
|
Metalloid- Element that has characteristics of both metals and nonmetals and is a solid at room temperature. |
Substance- Matter with a fixed composition whose identity can be changed by chemical processes but not by ordinary physical processes. |
|
|
Compound- A substance produced when elements combine and whose properties are different from each of the elements in it. |
Mixture- A combination of compounds and elements that has not formed a new substances and whose proportions can be changed without changing the mixtures identity. |
