Elements
Chemical & Physical Changes
Chemical Reactions
Atoms
Chemistry Facts
100

What is the symbol for Boron?

B

100

Is a fruit being cut in half a chemical or physical change?

Physical

100

Name an example of a chemical reaction?

Anything?

100

What is the charge of a proton?

Positive

100

What molecule do we breathe in?

O(Oxygen)

200

What two elements make up the following molecule: NH4

Nitrogen and Hydrogen

200

Name two types of chemical changes.

Fizzing, Bubbling, Exploding, Color Changing...

200

What happens when you mix hydrogen peroxide, yeast, water, and soap?

It rapidly foams up.

200

What are the parts of the nucleus?

Neutrons and Protons
200

What is the first element on the periodic table?

Hydrogen

300

What is the name of the following molecule: NaCl?

Sodium Chloride (AKA Salt)

300

What kind of change would occur when bending a metal pipe using fire?

Physical

300

What is the scientific term we use for yeast when referring to a chemical reaction?

Activator or Catalyst

300
What are all the parts of an atom?

Electrons, Protons, Neutrons, and the Electron Cloud

300

What is the most abundant element in the air?

Nitrogen

400

What elements are needed for the sugar molecule?

Carbon, Hydrogen, Oxygen (C6H12O6)

400

When mixing baking soda and vinegar, what is an indicator that a chemical change has occurred?

Fizzing or Bubbling

400

Name two types of things that react with baking soda.

Lemons and Vinegar

400

What is the name of correct version of the atom model?

Bohr's Model

400

What is the chemical symbol for the element: Gold?

Au

500

What are the two molecules we breathe out?

Carbon Dioxide and Water

500

What is the difference between a chemical and physical change in detail?

Chemical change indicates a change in the molecular composition, while a physical change only changes the shape or appearance of an object.

500

What is the chemical reaction plants go through to create oxygen?

Photosynthesis

500

What is the difference between the Rutherford's Model (Old) and the Bohr's Model (New)?

The Rutherford's model used oval rings, while the Bohr's model used an electron cloud.

500

How many of each atom is in the following molecule: C10H12O10N6

10 Carbon, 12 Hydrogen, 10 Oxygen, and 6 Nitrogen

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