The atom
What two particles make up the nucleus?
protons and neutrons
What is an indication a chemical reaction has occurred?
bubbles, color change, odor, solid formation, sound, light, heat
A liquid has a pH of 4. Is it more acidic or basic?
Acidic
Electrons have a negative charge.
True.
What is the capital of North Dakota?
Bismarck
Carbon-12, Carbon-13 and Carbon-14 are all what?
Isotopes
Is this equation balanced?
H2O2 --> 2H2O + O2
No
2H2O2 --> 2H2O + O2
Cup A and Cup B have equal solutions of Kool aid. What could you do to dilute Cup B?
Add more water
Carbon has an atomic number of 12.01.
False
What is the most viewed video on YouTube?
Baby Shark Dance
How many electrons are in Na+?
10
In a combustion reaction, carbon is burned in the presence of oxygen to make ______ and _________.
CO2 and H2O
A liquid with 2 moles of HCl in 4 liters of solution has a concentration of what?
0.5M (2mol/4L)
A pH above 7 means the solution is more basic.
True
In Minecraft, how many pieces of Iron ore can one piece of coal smelt?
8
What is the atomic number of an atom?
The number of protons
Flakus drops a clear liquid into another liquid. A bright yellow solid appears. Why does the solid appear?
The solid formed is not soluble in water.
Name a common household base.
Soap, ammonia, baking soda, laundry detergent, drain cleaner
Molarity is moles per liter.
True
How many fluid ounces are in a standard Great Value water bottle?
16.9 oz
If potassium has 19 protons and 18 electrons, what is the charge on potassium?
+1
Balance this equation:
Na2CO3 + Pb(NO3)2 --> NaNO3 + PbCO3
Na2CO3 + Pb(NO3)2 --> 2NaNO3 + PbCO3
A substance is sour and reacts with metal to form hydrogen gas. Is it an acid or base?
Acid
Acids turn litmus paper blue.
False
What is Mr. Flakus's First name?
Jake