Atoms
Cutting a piece of log into small pieces, what type of change?
Physical
Burning firewood, what type of change?
Chemical
How many electrons for Hydrogen?
one
What element is represented by the symbol Mg?
Magnesium.
How many protons does carbon have?
6
What is the atomic number for Helium?
2
List the steps of the Scientific Method.
Observation-Scientists collect data.
Hypothesis-Based on data collected.
Experiments-Designed to test hypothesis.
Conclusions-any reasonable conclusion from data.