pH scale
Neutralization
Acids in Action
Atomic models
Famous people
100

What color does an acid turn in litmus?

Red

100

In a neutralization reaction, the pH gets closer to which number?

7

100

What is the name of the phenomena (event) where rain has a pH that is too low?

Acid rain

100

Which subatomic particles orbit around outside the nucelus?

Electrons

100

Which part of the atom did Ernest Rutherford discover?

The nucleus

200

What is the pH number range for an alkaline?

7 - 14 (or above 7)

200

What product is always formed in a neutralization reaction?

Water

200

What causes acid rain?

Air pollution (sulfrous and nitrous oxides)

200

Named after a British dessert, what was the name of JJ Thomson's model of an atom, which is a large, solid, positive sphere with electrons inside?

The plum pudding model

200

Using cathode rays, JJ Thomson discovered which subatomic particle?

Electrons

300

A substance has a pH of 6.5. Is it acidic, neutral, or alkaline?

Acidic

300

What can be added to a substance if its pH is too low for some reason?

An alkaline (to raise the pH)

300

What is one way to prevent acid rain?

Factory filters

Car filters

Different ways of making energy

300

Tin has a proton number of 50. How many electrons does a neutral atom of tin have?

50

300

James Chadwick, after Rutherford, discovered which subatomic particle?

The neutron

400

What is the color of a neutral substance when using universal indicator?

Green

400

Which two substances have we used to do a neutralization reaction in the lab?

Soda and vinegar

400

How can we test for hydrogen gas after a reaction?

Test if a lit splint makes a pop sound

400
Phosphorus has 15 protons and 16 neutrons. What is its nucleon number?

31

400

Which fundamental particle (named after Satyendra Nath Bose, an Indian scientist) was discovered by slamming protons into each other really, really fast in the Large Hadron Collider?

the Boson

500

What color does our indicator paper turn when testing the Bishkek tap water or snow?

Yellow

500

What is one application (common usage) of a neutralization reaction?

Either

Medicine (seltzer tablets used to neutralize stomach acid)

Farming (adjusting soil pH for crops)

500

How can we test for carbon dioxide after a reaction using limewater?

See if the limewater turns milky.

500

Aluminium has a nucleon number of 27 and a proton number of 13. How many neutrons does it have?

14

500

What were the names of the Greek scientists who first proposed small, indivisible particles called "atomos"?

Democritus and Leucippus