Lab Staftey
At what degree should you hold a test tube that you will be heating
45
Is a proton positive, negative or neutral
positive
Carbon is an example of an element, compound or mixture
When substances doesn't mix uniformly and aren't evenly distributed they form a (heterogeneous or homogeneous)
What is the 1st step of the scientific method
Observation
True or False: When working with chemicals, it is the best practice to smell the chemicals directly, rather than wafting them towards you
False
Which subatomic particle orbits the nucleus?
electron
One type of atom.
A ____________ is a substance made of atoms of two or more different elements that are chemically combined
a compound