Science flash cards
1
Q
atom
A
the basic unit of matter
2
Q
nucleus
A
in cells, structure that contains the cell’s genetic material in the form of DNA
3
Q
electron
A
negatively charged particle; located in the space surrounding the nucleus
4
Q
element
A
pure substance that consists entirely of one type of atom
5
Q
compound
A
substance formed by the chemical combination of two or more elements in definite proportions
6
Q
ionic bond
A
chemical bond formed when one or more electrons are transferred from one atom to another
7
Q
covalent bond
A
type of bond between atoms in which the electrons are shared
8
Q
adhesion
A
force of attraction between different kinds of molecules
8
Q
cohesion
A
attraction between molecules of the same substance
9
Q
A
9
Q
A
10
Q
A
11
Q
A
12
Q
A
13
Q
A
