All atoms that maek up the element nitrogen have 7 protons. If a particular nitrogen atom has 8 neutrons, what is its name?
What is an isotope?
Two or more atoms that have the same number of protons but different number of neutrons,
What force holds the electrons in orbit around the nucleus?
The electromagnetic force
IF you were to draw a picture of any isotope of cesium (Cs), what would be the largest Bohr orbit you would use and how many electrons would be in it?
The fourth Bhor orbit with 27 electrons
An atom has an atomic number of 34. How many protons and electrons does it have?
34 protons, 34 electrons, Se
The Strong Nuclear Force keeps what part of an atom together?
What is not a type of radioactive decay?
What is the daughter product that results from the beta decay of 90Sr?
55Cr is used in scientific research. It is a radioactive isotope with a half-life of 2 hours. If a scientist start with 1000 grams of 55Cr, how many grams of 55 Cr will be left in 8 hours?
What are the three forces of nature?
Strong Force, Weak Force and Electroweak Force
What are the three particles that make up an atom?
Proton, Neutron and Electron
98Tc is a radioactive isotope that goes through beta decay. What is the daughter product of this decay?
212Bi is a radioactive isotope that goes through alpha decary. What is the daughter product of this decay?
22Na is a radioactive isotope that goes through gamma decay. What is the daughter product of this decay?
The half-life of the radioactive decary of 226Ra is 1600 years. If a sample of 226Ra originally had a mass of 10 grams, how many grams of 226Ra would be left after 3200 years?