random
set
of
organization
(Blank)
100

What is matter

Anything that has volume and mass

100

What is precision

how close a series of measurements are to one another 

100

what are atoms?

building blocks of matter 

100

Why can intensive properties be used to identify a substance 

they do not change based on amount 

100

What are two different units that volume is measured in 

cm and mL

200

What are mixtures 

Consists 2 or more diffrent elements can be physically seperats from each other 

200

what is avogadros number 

6.02x10 23

200

where is the proton found

In the nucleus 

200

Why cannot extensive properties be used to identify a substance? 

they do change based on amount so it tells you almost nothing about composition without further study

200

why does increasing the surface are of a solute increase the rate of dissolving 

it increases the chance of collision to happen

300

Who discovered the noble gases

William ramsay

300

What is preassure measured in 

atmosphered or atm

300

What is evidence a chemical change occurred

Color change Bubbles temperature change precipitate

300

Describe the change that occurs between points B ---> C  

the constant and potential energy increases

300

Lithium is a metal that is shiny and malleable is this description physical or chemical properties

Physical

400

what element group is very reactable with water 

alkali metals 

400

what does density tell us?

how tightly packed the particles in the substance are

400

List three intensive properties 

Color density reactivity state of matter ect

400

water has a density of 1 what should be the unit?

g/mL

400

One of the methods of separating a mixture is distillation what seperates liquids in distillation

Boiling point

500

this group of nonmetal is unreactive

Noble gasses

500

what is Kinetic energy 

due to motion of particles

500

list three extensive properties

Mass volume length

500

A sample of calcium has a mass of 80g how many moles are present

2 moles ca

500

When a small volum of water is boiled a large volume of steam is produced why? 

the molecules are further apart for the steam