Periodic Table
Periodic Table 2
Atoms
Compounds
Changes
100
The periodic table shows you information about what?
Atoms/elements
100
What does the atomic number tell you?
How many protons and electrons
100
What is the middle of the atom called?
Nucleus
100
What is a compound?
When two or more atoms are bonded together
100
A physical change causes there to be a change in the way atoms bond together
False
200
What is the atomic number for...
37
200
How many electrons does Silver have?
47
200
Where do you find protons, neutrons, and electrons in an atom?
Protons: Nucleus
Neutrons: Nucleus
Electrons: Outside
200
What is a bond?
When atoms share their valence electrons
200
I melt some ice. Is this a chemical or physical change?
Physical
300
What is the atomic mass for...
58.693 or 59
300
How do you figure out how many electrons an atom has?
Looking at the atomic number/the same as the proton number
300
What are valence electrons?
The electrons on the outside
300
What are the products in a chemical reaction?
The things you make, get at the end, on the right side of the arrow
300
I mix two clear liquids together. I get a blue liquid that is releasing gas. Is this a physical change or a chemical change?
Chemical
400
How many valence electrons do the elements in group 2 have?
2
400
What does the atomic mass tell you?
How many protons and neutrons are in the nucleus
400
How many electrons fit on the 2 and 3 level?
8
400
What are the reactants in this reaction?
2HCl + 2Na --> 2NaCl + H2
HCl and Na
400
What does the Law of Conservation of Mass state?
Matter cannot be created or destroyed
500
How many valence electrons do the elements in group 16 have?
6
500
How do you figure out the number of neutrons?
Atomic mass (rounded to the nearest whole number)-Atomic number
500
How many electrons fit in the first level?
2
500
How many hydrogens are on the product side?
C6H12O6 + 6O2 --> 6H2O + 6CO2
12
500
Tell me how a chemical change is different than a physical change.
A chemical change changes the way something is made up while a physical change only changes how something looks.