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Periodic Table

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Across
2
Manganese's abreviation
9
Positively charged particle
10
Electrons that occupy the highest energy levels in an atom
13
not containing or resembling or characteristic of a metal
16
What element is Kr
17
Symbol: Ag
18
Group 18 or AVIII
20
atoms with the same number of protons but different numbers of neutrons
23
Group 2
25
4 electron shells and 2 valence electrons
26
Alkaline earth metal with 6 electron shells
28
Gold foil experiment
30
Group 1
31
8 protons
33
Atomic number 1
34
Number of protons in an atom
Down
1
A positively charged particle in an atom
3
28 protons and 31 neutrons in the nucleus
4
Element in group 13 with a 2.0 electronegativity
5
Another word for group
6
Close to 1.0 or 4.0 in electronegativity
7
an element that has properties of both a metal and nonmetal
8
Caesium
11
a measure of the attraction an atom has for electrons
12
Showed that atoms contained electrons
14
groups 3 through 12
15
7 valence electrons
19
39 electrons in this elements neutral charged atom
21
Name of the rows
22
ready susceptibility to chemical change
24
41 protons
27
Halogen with electronegativity of 3.0
29
Symbol: Pb
30
When one or more electrons are lost from a neutral atom
32
What is indium's abreviation