Chemistry

Scientific Method

100

What is the first step of Scientific Method?

Observation/Question

200

What is the last step of the Scientific Method

Conclusion 

300

What is the second step of the Scientific Method?

Research

400

What is the fourth step of the Scientific Method?

Experiment

500

What is the Third step of the Scientific Method

Hypothesis

Physical and Chemical Changes

100

If a Car rusting and blew up and landing on an apple and squash the fruit. What would be the chemical change and what would be a physical change.

Car Rusting and blew up was chemical. The apple part was physical.

200

Name a Chemical Propery

Flammabilit, Rusting, Creating gas bubbles, Creating a new substance,nReadtivity with water, pH

300

Name a Physical Property.

Color,size,luster, Texture,hardness,temperature,Taste,Odor,Malleabilit,Ductility,Conductivity 

400

What is the definition of a Physical Change.

 a usually reversible change in the physical properties of a substance, as size or shape

500

What is the definition of a Chemical Change?

A chemical change is when one chemical substance is transformed into one or more different substances.

Mixture

100

What type of mixture is the air?

Homogenous 

200

What mixture is the earth?

Heterogeneous and homogeneous 

300

What mixture is salsa?

Heterogeneous 

400

What mixture is orange juice (no pulp)?

Homogeneous mixture

500

What mixture is organ juice. 

Heterogeneous mixture

Elements and periodic stable

100

What is the definition of the periodic table?

a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.

200

What element has the atomic number 8?

Oxygen

300

What element has the symbol Ca?

Calcium

400

Does the symbol of a element have to the the first Letter of the element?

Nah

500

How many protons, neutrons and electrons are in carbon. 

6 proteins, 6 neutrino and, 6 electric 

Compounds and Basic Formulas

100

(NH₃) How many elements are in the compound and what elements are they?

1 Nitrogen and 3 Hydrogen

200

(H₂O₂) How many elements are in the compound and what elements are they?

2 Hydrogen And 2 Oxygen

300

(CO₂) How many elements are in the compound and what elements are they?

1 Carbon and 2 Oxygen

400

(C₁₅H₁₆O₂) How many elements are in the compound and what elements are they?

15 Carbon, 16 Hydrogen, and 2 Oxygen

500

(H₂O) How many elements are in the compound and what elements are they?

2 Hydrogen and 1 Oxygen