Chapter 2 Vocab Part 1 Flashcards
located in the center of the atom, and contains protons and neutrons
Nucleus
particle with a negative charge that is located outside the atomic nucleus
Electron
substance that consists of one type of atom
Element
an atom of an element that has a different number of neutrons than another atom of the same element
Isotope
a substance that is formed through the combination two or more elements in definite proportions
Compound
bond formed when there is a transfer of one or more electrons from one atom to another
Ionic bond
atom that has a positive or negative charge
Ions
a bond formed when there is a sharing of electrons between atoms
Covalent bond
for most compounds, a molecule is the smallest unit
Molecule
small attraction that occurs between oppositely charged areas of close by molecules
Van der Waals force
molecules of the same substance that are attracted to each other
Cohesion
molecules of different substances are attracted to each other
Adhesion
material made of two or more elements or compounds that are not chemically combined, but are physically combined
Mixture
two or more substances mixed together, and the molecules of the substances are evenly distributed
Solution
the substance that gets dissolved to make a solution
Solute
