Element and the Periodic Table

Name: ______________________   Date: ____________

Write the missing letters on the lines to finish each word.

1.
a t m c s
2.
e i c t b e
A tabular arrangement of the chemical elements according to atomic number as based on the ___
3.
c l s
Center of an atom or a cell
4.
r n s
A stable particle with positive charge equal to the negative charge of an electron (plural)
5.
n t r s
An elementary particle with 0 charge and mass about equal to a proton (plural)
6.
l e c o
An elementary particle with negative charge
7.
a t c s u n i
8.
t o c u m b
The order of an element in Mendeleyev's table of the elements
9.
h i c l s y o
10.
r o
Two or more atoms bound together as a single unit and forming part of a molecule
11.
f m i
Parents, children and relatives who belong together
12.
p e i
An amount of time
13.
v a l e c r n
An ___ in the outer shell of an atom which can combine with other atoms to form molecules
14.
l a b l
15.
d t e
16.
o d t r
A material that allows heat or electric current to pass through it.
17.
a n t i
Of or relating to or caused by ___
18.
r e a i y
19.
o s i n
A state of deterioration in metals caused by oxidation or chemical action
20.
l y
A mixture containing two or more metallic elements or metallic and nonmetallic elements usually
21.
a a t a l
22.
a n s t e t a
23.
h a i d e
24.
t n i e