Revision Quiz

Which one is heavier?
Electron
Neutron
Proton
What is the mass number?
Proton + neutron
Electron + nuetron
Atomic number + nuetron
What is the pH of milk?
6
6.5
7
How do you tell if a gas is Carbon Dioxide?
The fire blows bigger
The fire blows out
The fire makes a popping noise
What is an ionic bond?
The force between negative ions
The force between positive ions
The force between oppositely charged ions
True or False: An example of a chemical reaction is ice melting into water.
True
False
Is cooking an egg an endothermic or a exothermic reaction?
Endothermic
Exothermic
What is the symbol for Silver?
Si
Sg
Ag
Ai
If the atomic number for Carbon is 6, what is the mass number?
6
12
3
What receptor do you use to see light?
Mechanoreceptor
Thermoreceptor
Photoreceptor
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