Atomic Structure and Isotopes Flashcards Preview

Chem 2 > Atomic Structure and Isotopes > Flashcards

Flashcards in Atomic Structure and Isotopes Deck (15):
1

Describe the nuclear atom.

Nucleus- proton and neutrons
Shells- electrons

2

What is always the same in an atom?

The number of protons and electrons.

3

What is the charge of an electron?

-1

4

What is the charge of a proton?

+1

5

What is the charge of a neutron?

Neutral

6

What is the mass of one proton?

1

7

What is the mass of one neutron?

1

8

What is the mass of one electron?

1/1836

9

What is the overall charge of an atom?

0

10

What is meant by the term "atomic number"?

This is the number of protons (and therefore electrons) in an atom.

11

What is an isotope?

This is an atom of the same element with a different number of neutrons.

12

Do different isotopes of the same element react in the same way?

Yes

13

What type of property is different in isotopes of the same element?

Physical properties may be different.

14

What are cations?

Positive ions.

15

What are anions?

Negative ions.