[DOC] [TLE] Overview of Atomic Structure - Boundless [PAR] Atoms are made up of particles called protons, neutrons, and electrons, which 
are ... An atom is composed of two regions: the nucleus, which is in the center of 
the atom and contains protons ... Positively charged subatomic particle forming 
part of the nucleus of an atom and ... Scientists define these charges as "+1" and "
-1. [DOC] [TLE] Proton - Wikipedia [PAR] A proton is a subatomic particle, symbol p or p+ , with a positive electric charge of 
+1e elementary charge and mass slightly less than that of a neutron. Protons and 
neutrons, each with masses of approximately one atomic mass ... The two up 
quarks and one down quark of a proton are held together by the strong force,... [DOC] [TLE] A world of particles.The standard model. Inside the atom. [PAR] The nucleus of an atom normally contains two types of particle: the proton and ... 
This would be a nice simple picture of matter: three particles that make up the 
Universe - protons, neutrons and electrons. ... They make up one family of 
fundamental particles. ... These quarks are said to have different flavours: up and 
down. [DOC] [TLE] What Are The Parts Of An Atom? - Universe Today [PAR] Apr 7, 2016 ... Each of these parts has an associated charge, with protons carrying a ... All three 
of these subatomic particles are Fermions, a class of particle ... of +2/3) and one 
down quark (-1/3), while neutrons consist of one up quark and... [DOC] [TLE] Subatomic Particles - body, used, Earth, life, type, chemical, form ... [PAR] Antiparticles: Subatomic particles similar to the proton, neutron, electron, and 
other ... to produce particles such as the proton (two up quarks and one down 
quark) and ... In the 1980s, three other force-carrying particles were also 
discovered: the W + ... These forms of an element that contain the same number 
of protons but... [DOC] [TLE] Q & A: Some examples of subatomic particles | Department of ... [PAR] My teacher said that there are 293 subatomic particles. Could you please list 
some of them besides protonts, electrons, and neutrons. ... A proton has two up-
flavored quarks and one down-flavored one, while a ... For exmple, three up-type 
quarks stuck together makes a particle called a Delta++, which a charge of +2. [DOC] [TLE] What are all the subatomic particles of an atom excluding the proton ... [PAR] There are two parts to the answer to this question. Composite particles such as 
the nucleus of ... A proton is two up-flavor quarks and one down-flavor quarks (
the names are irrelevant, but an up quark has charge +2/3 e and the down quark 
has charge -1/3 e) and a neutron is 2 down quarks and 1 up quark. As you may 
know... [DOC] [TLE] Subatomic Particles, Part 2: Baryons, the Substance of the Cosmos ... [PAR] Each of the two protons has an electric charge of +1 and like charges repel. ... the 
nucleus implies that there must be some attractive force between these particles 
that is ... Baryons are made of exactly three quarks.3,4 The proton and neutron 
are the ... A neutron (n0) is composed of one up quark and two down quarks (udd
),... [DOC] [TLE] Elementary Particles - University of Oregon [PAR] One of the primary goals in modern physics is to answer the question "What is the 
... of matter; quarks (and antiquarks) have electric charges in units of 1/3 or 2/3's. 
A quark is any of a group of subatomic particles believed to be among the ... The 
up and down quarks are thought to make up protons and neutrons and are thus... [DOC] [TLE] Fundamental Particles of Matter by Ron Kurtus - Physics Lessons ... [PAR] Mar 23, 2016 ... These classical subatomic particles consist of fundamental or ... An electrically 
neutral atom has the same number of electrons as protons. ... The Proton is made 
up of two Up Quarks (+2/3) +

Question: A proton contains 3 of these subatomic particles, 2 "up" & 1 "down"
Answer: quarks