periodic table
vocab.
measurement terms
iron
Cobalt
100
aluminm
What does Al stand for?
100
unit of meaure used to count atoms or molecule
What is mole?
100
meter
What is the fundamental unit of length in the metric system?
100
26
what is the atomic mass of iron?
100
Jet turbines and elctroplating
What are the most useful properties of iron?
200
Zinc
What does Zn stand for?
200
chemical bond
What is the force holding two elements together?
200
precision
What is the extent to which a given set of measurement of the same sample agree with their mean?
200
before 5,000 BC
when was iron discovered?
200
the number of protons found in the nucleus
What does the atomic number indicate?
300
Ironoxide
What does FeO stand for?
300
The change of substances into another
What is a chemical reacion?
300
metric system
What is a decimal system of weights and measures
300
solid
phase of iron at room temp.?
300
Co
What is the symbol for cobalt?
400
Magesium Floride
What what does MgF stand for?
400
covalent bond
when atoms share electrons?
400
weight
What is the amount of Quantity
400
55.845
What is the atomic mass of iron?
400
9
What is the group number for cobalt?
500
10
what is the atomic mass for boron?
500
nucleus
What is central core of an atom?
500
time
What is a limited period of interval, as between two successive events?
500
Fe
What is the symbol of iron
500
4
What row is cobalt in?
M
e
n
u