Vocabulary
The smallest particle of an element that retains all the properties of that element
Atom
What is the number of neutrons for an element that has a mass number of 48 and an atomic number of 22?
26
Antimony
Sb
atomic number of tin?
50
Strontium
Alkaline earth metal
The number of protons in an atom
Atomic number
What is the number of protons for an element that has a mass number of 40 and an atomic number of 20?
20
Iridium
Ir
atomic number of rubidium
37
Potassium
Alkali metal
an atom or bonded group of atoms with a positive or negative charge
Ion
What is the number of electrons for an element with a mass number of 128 and an atomic number of 52?
52
Hassium
Hs
78
Ruthenium
Transition metal
The number after an element's name, representing the sum of its protons and neutrons
Mass number
What is the number of neutrons for an element with a mass number of 59 and an atomic number of 28?
31
Livermorium
Lv
mass number of Einsteinium
254
Iodine
Halogen
The attraction of a metallic cation for delocalized electrons
Metallic bond
What is the number of neutrons for an element with a mass number of 84 and an atomic number of 36?
48
Radon
Rn
Mass number of Oganesson
294
Neon
Noble gas