chem Flashcards
(19 cards)
1
Q
smallest partical
A
atom
2
Q
atoms behave as they are
A
single
3
Q
a group of atoms are callled
A
molocule
4
Q
How many elements
A
100
5
Q
Where are elements arranged
A
Periodic table
6
Q
Elements are divided in to
A
Groups
7
Q
A compound is
A
2 or more different elements chemically joined together
8
Q
A pure substance is
A
Only one element and nothing else
9
Q
A mixture is
A
two or more substances
10
Q
The name given to group 7 elements
A
Halogens
11
Q
The name given to group 1 elements
A
Alkaline metals
12
Q
The name given to the group 0 elements
A
Noble glasses
13
Q
2 transition metals
A
Copper or Iron
14
Q
Names of two noble glasses
A
Xenon or argon
15
Q
A metal element
A
Calcium
16
Q
Very reactive non metal
A
Potassium
17
Q
An element at room temperature
A
Mercury
18
Q
2 gasses at room temperature
A
Helium and oxygen
19
Q
Alkali metals are stored under
A
Oil
