Atoms, Ions, and Isotopes Test

Front

What does the atomic number identify?

Back

The number of protons of a given atom.

Front

The number of protons + neutrons in an atomic nucleus is referred to as what?

Back

Mass number

Front

Atoms of the same element with differing number of electrons are called ________. Options: elements, atoms, ions, isotopes

Back

ions

Front

Which subatomic particle is used to identify the atom, as it never changes? Options: protons, neutrons, electrons

Back

protons

Front

How many neutrons are found in this isotope? ³¹₁₅P^3-

Back

16

Front

How many protons are found in this isotope? ³¹₁₅P^3-

Back

15

Front

How many protons are found in this isotope? ⁷⁵₃₃As

Back

33

Front

What is the complete isoic notation of a cobalt atom with a mass number of 60?

Back

A

Front

An ion with a positive charge is a(n) __________________.

Back

Cation

Front

Complete isotopic notation for a sodium ion with 10 electrons.

Back

D