Matter Flashcards
1
Q
Atom
A
The building block of matter
2
Q
Nucleus
A
The center of the Atom
3
Q
Proton
A
Positively charged particles in an atom’s nucleus
4
Q
Neutron
A
A particle without charge in am atoms nucleus
5
Q
Electron
A
A negatively charged particle that occupies space
6
Q
Element
A
A pure substance made of only one type of atom
7
Q
Isotope
A
Two or more atoms that have different t numbers of neutrons
8
Q
Compound
A
A pure substance formed when two or more different elements combine
9
Q
Covalent Bond
A
A type of chemical bond formed when atoms share electrons
10
Q
Molecule
A
A compound whose atoms are held together by covalent bonds
11
Q
Ion
A
An atom that is positively charged because it has lost or gained electrons
12
Q
Ionic bond
A
An electrical attraction between two oppositely charged atoms.
