Electron Shells
How many electrons max fit in the first electron shell?
2
The force that holds atoms together is called a what?
chemical bond
A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
pure substance
A substance that is dissolved in a solution.
solute
What charge will a sodium atom tend to acquire in nature?
1+
How many electrons max can fit in shells higher than the first one?
8
a bond formed when atoms share one or more pairs of electrons
covalent bond
A group of atoms bonded together
molecule
In a solution, the substance in which the solute dissolves.
solvent
What charge will a chlorine atom tend to acquire in nature
1-
What is the outermost electron shell of an atom called?
valence shell
the attraction between oppositely charged ions
ionic bond
A substance made up of atoms of two or more different elements joined by chemical bonds
compound
A mixture that forms when one substance dissolves another.
solution
How many valence electrons does oxygen have?
6
How many more electrons does chlorine need to have a full outer shell?
1
a bond formed by the attraction between positively charged metal ions and the electrons around them
metallic bond
is 02 a compound or molecule or both?
molecule
material composed of two or more elements or compounds that are physically mixed together but not chemically combined
mixture
How many valence electrons does aluminium have?
3
What is the rule of 8 for electron shells called?
Octet rule
The force between electrically charged objects (like charges repel and opposite charges attract each other) is called what?
electrostatic force
Is H2O a compound or molecule or both
both
which of the vocabulary terms is sand mixed with water
mixture
How many valence electrons does magnesium have?
2