What is each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
What is an isotope?
100
What is the symbol that represent the element
What is the chemical symbol?
100
What does Atomic mass units
What does AMU stand for?
200
What is Br
What is the symbol for Bromine
200
What are, protons are positive
What is type of charge are protons?
200
What is metals that are not made naturally
What is synthetic metals?
200
What is the number of protons in the nucleus
What is atomic number?
200
What is, atoms are nuetral
What is the charge of an atom?
300
What is Cu
What is the symbol for copper?
300
What is, electrons are negative
What is the charge of electrons?
300
what are numbers that go vertically on the periodic table
What are periods?
300
What is the sum of protons and neutrons
What is the atomic mass?
300
What is Zn
What is the chemical symbol for Zinc?
400
What is califorium
What is Cf
400
Protons are outside the nucleus, but between the electrons
Where are protons in the nucleus?
400
What are numbers that go horizontally on the periodic table
What are periods?
400
What is the same mass as a proton
What is the mass of a neutron?
400
What is the ease and speed with which a substance reacts with other substances
What is reactivity?
500
What is Metals
What is the largest section on the periodic table?
500
Electron are cloud like, around the nucleus and protons
Where are electrons on the molecule?
500
What are alkali metals,alkaline earth metals, transition metals, halogens, noble gasses, lanthanides, and actinides