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Chapter 2
Chapter 3
Chapter 4
Chapter 5
100

What is chemistry? 

  • The study of the composition of matter and the changes that matter undergoes
100

What is an intensive property?

 A property that depends on the type of matter in a sample, not the amount of matter.

100

Is the 6.02 X 1023 the scientific notation of 602,000,000,000,000,000,000,000? 

  •  Yes
100

What is an atom? 

 Atoms are the smallest particles of an element that retains its identity in a chemical reaction.

100

What is a quantum of energy?

 the amount of energy required to move an electron from one energy level to another

200

what are the steps in the scientific method?

  • Making observations, proposing and testing hypothesis, and developing theories.
200

What are the three states of matter?

Solid, liquid, gas

200

What is the difference between the experimental value and accepted value? 

The error

200

What was Democritus’s Atomic Theory?

Atoms were indivisible and indestructible

200

What is the probability of finding an electron at various locations around the nucleus? 

atomic orbital

300

What is the difference between independent and dependent variables? 

Independent variables can be changed in an experiment and dependent variables are the responding variable.

300

True or False: The process that separates a solid from the liquid in a heterogeneous mixture is called Distillation. 

False, its Filtration

300

What is the freezing point on the Celsius scale? What is it on the kelvin scale? 

0 degrees Celsius and 273.15 kelvins

300

What is the nucleus? 

The center of an atom

300

What is true according to the Aufbau principle? 

Electrons occupy the orbitals of lowest energy first

400

True or False: Theories are the same as hypotheses. 

False.

400

True or False: The first letter of a chemical symbol is always capitalized. 

True!

400

What is the conversion factor?

 A ratio of equivalent measurements

400

What are the three subatomic particles? 

Electrons, protons, neutrons

400

What is amplitude of a wave?

 The wave’s height from zero to the crest

500

What is bio Chemistry? 

The study of processes that take place in living organisms.

500

How can you tell the difference between substances and materials? 

 If the composition of the material is fixed, it is a substance. If the composition of the material varies, it is a mixture

500

What is a dimensional analysis? 

A way to analyze and solve problems by using units of the measurements

500

True or False: isotopes have the different number of neutrons and the same mass numbers.

 False, they have different amounts of neutrons but DIFFERENT mass numbers

500

What is the ground state? 

When the electron has its lowest possible energy