Parts of an Atom
Positively charged particles in an atom.
What are protons?
The composition of the simplest atom.
What is 1 proton and 1 Neutron?
Isotopes
Atoms that have the same number of protons but different number of neutrons.
Mass and Distance between objects affects this.
What is gravity?
Carbon 12 has this number of protons.
What is 6 protons?
Particles in the nucleus that have no charge.
What are neutrons?
A pure substance made of only one kind of atom.
What is an atom?
Atoms of isotopes are the same element of each other. However, their _____________ will be different.
What is mass?
This holds the electrons around the nucleus of an atom.
What is an electromagnetic force?
This element is made from the smallest atoms.
What is Hydrogen?
Paticles that make up the nucleus in an atom.
What are protons & neutrons?
Neutrons role is to prevent this between protons.
What is repulsion?
Isotopes have different masses because they have a different number of _____________.
What are neutrons?
This force in an atom is stronger than the electromagnetic force.
What is the strong force?
This is the mass number of an atom that contains 11 protons, 11 electrons, and 12 neutrons.
What is 23?
Protons, neutrons and electrons are called this.
What are subatomic particles?
Atoms do not have equal amounts of these.
What are protons and neutrons?
Unstble atom whose nucleus will change over time.
What is radioactive?
This force is important in radioactive atoms.
What is a weak force?
This is the number of neutrons in a carbon atom with a mass number of 14 and an atomic number of 6.
What is 8?
The SI unit used to describe/measure the mass of a particle in an atom.
What is the Atomic Mass Unit?
Atomic Number
What are the number of protons in an atom?
Mass Number
What is the sum of the number of protons and neutrons?
In a radioactive atom, a week force can change a neutron in o these.
What are a proton and an electron?
If an isotope of uranium, uranium-235has 92 protons, the isotope uranium-238 will have this many protons.
What is 92?