Atoms And Ions Flashcards
1
Q
Group 7
A
-1
2
Q
Group 6
A
-2
3
Q
Group 5
A
-3
4
Q
Group 3
A
+3
5
Q
Group 2
A
+2
6
Q
Group 1
A
+1
7
Q
Groups - - - gain electrons
A
5,6,7
8
Q
Groups - - - lose electrons
A
1,2,3
9
Q
3rd shell
A
8 electrons
10
Q
2nd shell
A
8 electrons
11
Q
1st shell
A
2 electrons
12
Q
What is the mass number
A
Number of protons + number of neutrons
13
Q
What is the atomic number
A
Number of protons( same as electrons)
14
Q
What is the relative charge of an electron
A
-1
15
Q
What is the relative charge of a neutron
A
0
16
Q
What is the relative charge of a proton
A
+1
17
Q
What is the relative mass of an electron
A
1/1836
18
Q
What is the relative mass of a neutron
A
1
19
Q
What is the relative mass of a proton
A
1
20
Q
Where do you find electrons
A
In the shells
21
Q
Where do you find the protons and neutrons
A
In the nucleus
22
Q
What are positive ions called
A
Cations
23
Q
What are negative ions called
A
Anions
