1 Isotopes Flashcard

What is the mass number for the isotope shown? Options: 29, 34, 63, 92

How many neutrons are in the nucleus of copper-63?

Atoms of an element that have a different number of neutrons are called

How many protons and electrons are in the isotope shown?

How many neutrons in C-14?

What quantities vary between isotopes of an element?

24.1% of all the isotopes of an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu. What is the average mass of this element?

Calcium has three different isotopes with masses of 35.00 amu, 41.00 amu, and 40.00 amu. Which isotope is the most abundant?

Composition of a neutral atom of the isotope ²⁶₁₂Mg

What is the average atomic mass of magnesium?