Show:
pH
Ionic Bonds
Covalent Bonds
Periodic Table
Chemical Reactions
100
This substance has the lowest pH values on the scale, but the highest positive hydrogen ions
What are acids
100
What do metals always bond with in ionic bonds?
What is non metals
100
Covlalent bonds form between non metals and what?
What is other non metals
100
The two main organizational structures in the periodic table are what?
What is groups and periods
100
How can one tell if a chemical reaction has taken place, and not just a physical reaction?
What is a new substance is formed.
200
pH stands for this.
What is positive hydrogen ions.
200
What happens to electrons in ionic bonding?
What is transfer
200
Covalent bonds are formed when electrons are what?
What is shared
200
All elements in the same group do this.
What is react in similar ways.
200
The reactants in the photosythesis reaction are what.
What are carbon dioxide and water.
300
These substances are bitter, and have a very high pH value.
What are bases
300
This is the outermost layer of electrons
What is the valence
300
What 3 are the different types of covalent bonds?
What is single, double , triple, polar, nonpolar,
300
One square on the table gives what four pieces of information?
What is atomic number, element name, atomic symbol, atomic mass/weight.
300
What a law tells us that mass is always the same in the reactants and the products.
What is the law of the conservation of mass.
400
Acids and bases mixed together form this.
What is neutralization reacation
400
Group 17 transfers how many electrons?
What is 7
400
A covalent bond with a stronger pull on one side of the molecule than the other side is known as this.
What is polar.
400
This group of elements have a full valence and do not easily react with anything.
What are the nobel gasses.
400
In this kind of reaction reactants are combined to form fewer products than reactants.
What is a synthesis reaction
500
Instead of positive hydrogen ions, bases form these.
What negative hydroxide ions
500
A negative or positive charge on an atom makes the atom what?
What is an ion
500
What are the two covalent reactants in the cellular respiration reaction?
sugar and oxygen
500
The higher an atomic number the more______ and ______ an atom has.
What is protons and electrons
500
This type of reaction results in more products than reactants.
What is a decomposition reaction