atoms Flashcards
1
Q
building block of all matter
A
Atom
2
Q
contains mass of the atom
A
Nucleus
3
Q
charge outside the nucleus
A
Electron
4
Q
substance made of two or more elements
A
compound
5
Q
forms by gaining or losing electrons
A
ionic bond
6
Q
results from sharing electrons
A
covalent bonds
7
Q
chemical bond consisting of a hydrogen atom - 2 negative electron atoms
A
hydrogen bond
8
Q
group of atoms held together by covalent bonds
A
molecule
9
Q
the ability of water molecules to stick together
A
cohesion
10
Q
the ability of water molecules to stick to other substances
A
adhesion
11
Q
The minimum amount of energy that is required to activate Atoms
A
Activation energy
12
Q
Electrons are unevenly shared
A
polar molecule
