Nuclear Particles
Moles, Atoms and Molecules
Balancing Chemical Equations
Just the Facts
Balancing Nuclear Equations
100
Particle in the nucleus with a positive charge.
What is a proton?
100
6.02 x 10^23 items
What is a mole?
100
The missing coefficient in the following chemical reaction: PbBr2 + 2 HCl-->2 HBr +__PbCl2
What is 1?
100
The particles MOST involved in CHEMICAL reactions.
What are electrons?
100
True or false, When a radioactive isotope is loses a beta positive particle (turning a proton into a neutron) the atomic mass goes up by 1.
What is FALSE
200
A particle emitted by a proton which turns it into a neutron and has no mass but a charge of +1.
What is a beta positive particle?
200
The smallest part of an element.
What is an atom?
200
The missing coefficient in the following chemical equation: ____ LiCl + Br2 ----> 2 LiBr + Cl2
What is 2?
200
The general term that specifically means that a Helium nucleus (two protons and two neutrons) is emitted from an unstable atom's nucleus.
What is Alpha decay?
200
True or false, When a radioactive isotope is loses a beta positive particle (turning a proton into a neutron) the atomic number goes UP by 1.
What is FALSE?
300
A particle that has no charge but a mass of 1.
What is a neutron?
300
Two or more atoms chemically combined.
What is a molecule?
300
The atoms or compounds on the right side of the chemical equation.
What are the products.
300
The term referring to an unstable atom.
What is radioactive?
300
The amount of mass lost by a radioactive isotope when it undergoes alpha decay.
What is 4 amu (atomic mass units)
400
2 protons and 2 neutrons (basically the nucleus of a Helium atom)
What is an alpha particle?
400
How many moles are there in 3.01 x 10^23 molecules of water?
What is 0.5 or 1/2 mole?
400
The law that states that the same number (and type) of atoms in the reactants MUST be the same number (and type) of atoms in the products.
What is the Law of Conservation of Matter?
400
The law that we follow when we balance nuclear equations.
What is the law of conservation of mass and charge?
400
The term referring to a particle with no mass but a -1 charge.
What is a beta negative particle?
500
An negatively charged particle emitted by the nucleus that causes the atomic number to go up by 1.
What is a beta negative particle?
500
A charged atom or molecule.
What is an ion?
500
The number of atoms of oxygen in the following compound: Co2(SO4)3
What is 12?
500
The emission (or loss) of negative charge from the NUCLEUS of an atom (turning the element into an atomic number one higher).
What is beta negative decay?
500
The number of protons that are emitted from a nucleus undergoing alpha decay?
What is 2?
M
e
n
u