Safety First Periodt.
What are cell phone rules during lab?
You can not use them, periodt.
In the periodic table, the rows are known as what?
Periods (not periodts)
What is the charge of a proton?
+1
What does CER stand for?
Claim, evidence, reasoning.
If/then statement.
Amy's experiment went terribly wrong and she broke a beaker, what should she do?
Tell the teacher, periodt.
What is the only gas in period 3?
Argon
How many neutrons are in silver (mass of 108)?
61 neutrons
What are the two types of observations?
Qualitative and qualitative.
What is a prediction in science?
It is the logical explanation that is drawn from prior knowledge or experience.
What does PPE stand for and why is it important?
It stands for personal protective equipment and it protects you from the dangerous chemical in lab, periodt.
What is an isotope?
An element with the same number of protons but different number of neutrons.
How many valence electrons are in selenium?
6
What is an inference in science?
It is a guess as to what will happen next.
What are our names and majors?
Amy - biology with a minor in Latino studies on the pre-teaching track
Ruiwen - biology and ecology and evolutionary biology double major on the premed track*
What should you do when you are working with chemicals.
Read the label, do not mix anything until instructed, periodt.
What is the heaviest naturally occurring element?
Uranium
What is the name of group 18?
Noble gases
In science, why is the use of CER important?
The format allows data to be analyzed,interpreted, and reasoned.
A titanium atom has how many protons, electrons, and neutrons (with a mass of 48)?
22 protons, 22 electrons, and 26 neutrons.
Ms. Bouchard left y'all in the lab alone without telling you what to do, what do you do?
Nothing, you always wait until instructions are given. Periodt.
Considering the elements: chlorine, fluorine, and bromine, what is their group name?
Halogens
Draw the Lewis Dot Structured for sulfur?
6
What are the 6 steps of the scientific method?
Question, hypothesis, experiment, data, results, conclusion.
What element was the Hindenburg blimp (the one that blew up) filled with?
Hydrogen gas.