Atomic Number
Mass Number
Atomic Mass
Isotopes
Elements
100
Hydrogen is the most abundant element in the universe, and it contains this number of protons.
What is 1?
100
A phosphorus atom has 15 protons and 16 neutrons, giving it this mass number.
What is 31?
100
How do you calculate the atomic mass of an element?
What is add the # of protons with the # of neutrons?
100
What is a good definition for an isotope?
Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons.
100
Element names are frequently derived from these two languages.
What are Greek and Latin?
200
Carbon is found in all organic molecules, and an atom of carbon contains this many protons.
What is 6?
200
What is the mass number of this nucleus?
What is 7.
200
This makes isotopes similar.
What is the number of protons?
300
What is mass number?
What is the number of protons and neutrons?
300
What is the atomic mass of hydrogen?
What is 1.00.
300
How many neutrons does carbon‐14 have?
What is 8 neutrons?
300
This element is essential to all living things and is present in all organic compounds.
What is carbon?
400
An atom has mass number of 23 and atomic number of 11. How many protons, electrons, and neutrons are present in the atom?
What is 11 protons, 11 electrons, and 12 neutrons?
500
The difference between the mass number and the atomic number gives the _______.
What is the number of neutrons?
500
What is the atomic mass of lithium?
What is 6.94?