De chem test 1

Pre-chem

100

What are the 3 types of elements

Metals, Nonmetals, and Metalloids 

200

Types of metals and their groups 

Alkali metals group 1/1A

Alkaline Earth metals group 2/2A

Transitional metals group 3B to 12B

300

Types of nonmetals and their groups

Halogens- 17/7A

Noble Gases-18/8A

400

Where are the Semi-metals/metalloids located 

On the zig-zag lines

500

Name the 8 primary polyatomic ions

PO₄^-3 or Phosphate, SO₄^-2 or Sulfate, CO₃^-2 or Carbonate, NO₃^-1 or Nitrate, ClO₃^-1 or Chlorate, 

OH^-1 or Hydroxide, NH₄^-1 or Ammonium, and HCO₃^-1 or Bicarbonate 

chp.1

100

What is chemistry 

The study of how matter behaves by studying the atoms and molecules

200

What is an observation

measuring or observing some aspect of nature

300

What is a law 

An observable relationship between 2 values. This usually involves math 

400

What is a theory 

An explanation to explain why the relationship happens or a model of what is happening

500

What is the atomic theory and who came up with it?

The idea the all matter is made of atoms, this theory took 200 years to prove. It was founded by Democritus and Dalton 

chp.2

100

Which one is an exact number?

A. 100kg

B. 100 people

C. 200 minutes 

B. 100 people

200

What is the sig fig rule for multiplication and division?

The result should have the same out of sig figs ask the factor with the fewest sig figs

300

What is the sig fig rule for addition and subtraction? 

The result of the operation should have the same number of decimal places as the quantity with the fewest decimal places 

400

How sig figs would this have? 

(5.0568 * 100.)/90.

A. 1

B. 3

C.2

C.2

500

Does mL = cm³

Yes 

chp.3

100

What are the 3 states of matter

Solid, liquids, and gases

200

What is a pure substance 

a substance that cannot be broken down without changing

300

Name a chemical change

Burning, rotting, rusting, digestion....

400

What are the 3 units of energy

Bonus 200 for naming the 4th unit

Joules(J), calories(cal), nutritional Calories(Cal)

Bonus: kilowatt-hour(kWh)

500

Forms of energy

name the main 3 and then extra 500 for anyone who can name the other 4  

Electrical, Chemical, and Thermal/Heat

Sound, Mechanical, Light, Atomic/Nuclear

chp.4

100

Name the 3 types of subatomic particles

Protons, electrons, and neutrons 

200

What makes an isotope

A change in neutrons 

300

what makes an ion

change in electrons

400

What did Dmitri Mendeleev do 

He ordered the elements in increasing mass order and found a recurring pattern and named it the Periodic Law

500

What is the symbol for Silicon 

Si