Isotopes

Front

How many neutrons does the isotope of lithium have?

Back

5

Front

What quantities vary between isotopes of an element?

Back

neutrons and atomic mass

Front

Which atom has 4 neutrons? Options: Li-6, Li-7, Li-8, they have the same # of neutrons

Back

Li-7

Front

Isotopes are atoms of the same element with different #’s of __________ & therefore different __________. Options: n⁰ ;  atomic #’s, p⁺ ; atomic #’s, e^- ; atomic masses, n⁰ ; atomic masses

Back

n⁰ ; atomic masses

Front

If the number of electrons in an atom changes you make a(n) __________________.

Back

ion

Front

Ions are:

Back

atoms with a positive or negative charge

Front

How many neutrons in C-14?

Back

8

Front

The photo above shows the isotopic notation for which isotope? Options: Carbon 12, Carbon 13, Carbon 14, Carbon 15

Back

Carbon 14

Front

Fluorine has an atomic number of 9. What can you conclude about an atom of fluorine from this fact?

Back

It has 9 protons.

Front

In what part of an atom can protons be found?

Back

inside the atomic nucleus