Atoms, Ions, and Isotopes

Front

What does the atomic number identify?

Back

The number of protons.

Front

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

Back

Mass number

Front

Atoms of the same element with a different number of electrons are called ___________. Options: elements, isotopes, ions, neutral

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 in the following atom? Options: 47, 61, 108, 155

Back

61

Front

How many protons are in the following atom? Options: 82, 125, 207, 189

Back

82

Front

How many neutrons are in the isotope Carbon-14?

Back

8

Front

An ion with a positive charge has __________.

Back

lost an electron.

Front

How many electrons does the following ion have?

Back

10

Front

How many electrons does the following ion have?

Back

10