Question | Answer |
Matter | Anything that takes up space and has mass. |
Mass | The material that matter is made up of. |
Volume | How much room/space matter takes up space. |
Density | D=m/v The amount of material/staff matter takes up within a specific space. |
Atom | Smallest part of an elements, the building blocks of all matter. |
Electron | A particle of an atom that surrounds the nucleus, it has a negative charge. |
Proton | A particle of an atom with a positive charge located in the nucleus. |
Neutron | A particle of an atom with with a neutral NO charge inside the nucleus. |
Periodic Table | A large grid that identifies and classifies all the the chemical and physical properties. |
Elements | Is the simplest substances that can not be broken down they make up ALL matter. |
Periods/rows | Rows that tell how energy levels each elements has the electrons to move around. |
Groups/Columns | Columns that tell how many electrons each has the number of electrons that move on the outer shell. |
Valence Electrons | The electrons that move on the outer shell. |
Atomic Number | How many protons an element has inside the nucleus usually is the same # of neutrons. |
Atomic Mass | The measurement of the mass for an elements atoms. |
Chemical Property | The ability of substances to combine with one another forming new and different compound molecules. |
Physical Property | The state of matter and appearance of a substance. |
Ionic Bond | When elements either lose or gain an electron during bonding. |
Covalent Bond | When elements share electrons during bonding. |
Chemical Change/Reaction | Elements bond together through the attractive force of electrons creating some type of reaction and change. |
Compound/Molecule | two or more elements combine together in a specific ratio/ pattern creating a whole and different substance. |
Mixture | two or more substances combine together keeping their original properties, they do NOT change into a new substance/compound. |
Nobel Glass | All of the elements in Group#18 they are the most stable elements because they have 8 electrons in their outer shell. |
Halogens | All of the elements in GROUP #17 they are very reactive because have 7valence electrons and want to stable. |
Alkali Metals | All of the elements in GROUP #1 they are very reactive because they only 1 valence electron. |
Metalloids | Elements between metals and non-metals that can react either way, they have 3-7 valence electrons. |