Elements and Atoms
Atoms,Bonding, Periodic Table
Ionic Bonds
Covalent Bonds
100
this is anything that has mass and takes up space.
What is matter?
100
this is the force of attraction that holds two atoms together.
What is a chemical bond.
100
this is an atom or group of atoms that has an electric charge.
What is an ion?
100
this is a chemical bond formed when two atoms share electrons.
What is a covalent bond?
200
this is two or more substances-elements,compounds, or both-that are in the same place but are not chemically combines.
What is a mixture?
200
This is a one-or two-letter set of characters that is used to identify an element.
What is a symbol?
200
this is the attraction between two oppositely charged ions.
What is an ionic bond?
200
this is a neutral group of atoms joined by covalent bonds.
What is a molecule?
300
they are negatively charged particles that move around outside the nucleus of an atom.
What are electrons?
300
this is the number of protons in the nucleus of an atom.
What is an atomic number?
300
this is a combination of symbols that shows the ratio of elements in a compound.
What is a chemical formula?
300
this is when two atoms share two pairs of electrons
What is a double bond?
400
they are small, uncharged particles that are found in the nucleus of an atom.
What are neutrons?
400
this is an element belonging to Group 17 of the periodic table.
What is a halogen?
400
this tells you the ratio of elements in the compound.
What is a subscript?
400
this is a covalent bond in which electrons are shared unequally.
What is a polar bond?
500
this is a well -tested idea that explains and connects a wide range of observations.
What is scientific theory?
500
they are those electrons that have the highest energy level and are held most loosely.
What are valance electrons?
500
this is when ions form a three dimensional arrangement.
What is a crystal?
500
this is a compound that is composed of molecules.
What is a molecular compound?
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