General Science
The first step in the scientific method
What is Ask a Question
The element with the symbol H
What is Hydrogen?
The three most familiar states of matter?
What is a Solid, Liquid, and Gas
What color does the pH strip turn when dipped in a solution pH =3
What is orange
Pennies are made out of
What is Copper?
This state of matter has has no visible shape and fills its container.
What is Gas?
H2O is the chemical formula for this common compound
What is Water?
This states that energy is neither created or destroyed, only transferred.
What is the First Law of Thermodynamics.
The purpose of chromatography (chromatography lab)
What is to separate the mixture inside of markers.
The type of bond in which electrons are transferred
What is an ionic bond.
The amount of valence electrons that calcium has
What is 2
The substance that releases the positively charged form of Hydrogen. Commonly found in liquids like lemon juice and has a bitter taste
What is an acid
The phase change from a gas to a plasma
What is Ionization
The type of reaction that occured in the chemical energy in a bottle lab. (Hint: A type of reaction we learned yesterday)
What is an exothermic reaction.
The tendency of dissimilar particles to stick together
What is adhesion
List three types of physical properties.
What is color, hardness, malleability, solubility, density, boiling/melting point, taste/touch/smell.
Name an element that gains two electrons in an ionic bond (think about valence electrons)
What is oxygen, sulfur, selenium, te, po, lv
The type of mixture that air is.
What is a homogenous mixture.
A type of chemical compound formed from long chains of the same or similar molecules that repeat over and over (Hint: slime)
What is a Polymer
What type of mixture is a sugar water?
What is a homogenous mixture?
The amount of significant figures in this number: 20.0007
What is 6
This element will have a +2 charge in an ionic bond, and has an atomic number of 12.
What is magnesium.
What is the most electronegative element (or what is the trend of electronegativity)
What is Fluorine (moves up and to the right)
What borax does to polymers. (Hint: what connects the polymers in slime together)
What is cross linking
Sodium tetraborate decahydrate is commonly known as
What is borax