Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry > Chemistry Midterm > Flashcards

Chemistry Midterm Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
0
Q

The branch of chemistry that studies the composition of matter is organic.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Pure chemistry is the use of data and research to attain products which improves our lives

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Applied chemistry is concerned with the acquiring of knowledge.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A person who studies carbon compounds is in which field of study?

A

Organic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What was a major contribution to chemistry by Antoine Lavoiser?

A

Law of conservation of mass; he showed that oxygen is required for material to burn.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which step in the scientific method requires you to use your senses to obtain information?

A

Making an observation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Studying the amount of light given off from distant stars

A

Pure Chem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Explaining why alcohol burns and water does not

A

Pure Chem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Developing a drug which does not cause nausea to be used in chemotherapy.

A

Applied chem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Producing a fabric which is resistant to bullet entry

A

Applied Chem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Designing a new method of injecting insulin to diabetics

A

Applied Chem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q 
Which would chemist mostly study?
A. Leaf on water
B. Leaf changing color
C. Leaf making music
D. Leaf blown in the wind
A

B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Heterogeneous mixture

A

Not uniform in composition.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Distillation

A

A process in which a substance is separated by difference in boiling point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Homogenous mixture

A

Describes mixture with a uniform composition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q 
Which is a physical change?
A. Digestion
B. Explosion
C. Evaporation
D. Rotting of food
A

C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q 
What is a heterogeneous mixture?
A air
B salt water
C steel
D dirt
A

D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q 
Which is a homogenous mixture?
A. Salt water
B. Beef stew 
C. Sand and water
D. Soil
A

Soil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Separating a solid from a liquid by evaporating the liquid is called…

A

Distillation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The first figure in a properly written chemical symbol always is

A

Capitalized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

If the equation from question #41 started with 50.0 gms on the left n there was 50.0 gms on the right, which law is this proving?

A

Law of conservation of mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

A solid formed from a chemical combination of two liquids is called?

A

Precipitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

If you are given a substance in lab and heat, then electricity and finally acid is applied with no change in composition, you could conclude that is substance is a…

A

Element

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Precision

A

Repeated agreement is to accepted value

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Accuracy

A

How close a measurement is to accepted value

25
Q

Density

A

Amount of matter divided by amount of space

26
Q

The expression of 5008 km in sci notation is…

A

5.008 x 10^3

27
Q

Mass

A

Gms

28
Q

Liquid volume

A

Milliliters

29
Q

Time

A

Second

30
Q

Distance

A

Meter

31
Q

Temperature

A

Celsius

32
Q

Solid volume

A

Cm3

33
Q

What is the SI unit for mass?

A

Kilograms

34
Q

What is the quantity 0.0075 m expressed in centimeter?

1m=100cm

A

.75cm

35
Q

The smallest particle if an element that retains the properties of that element

A

Atom

36
Q

A positively charged subatomic particle

A

Proton

37
Q

A negatively charged subatomic particle

A

Electron

38
Q

A subatomic particle with no charge

A

Neutron

39
Q

The central part of an atom, containing protons n neutrons

A

Nucleus

40
Q

The total number of protons and neutrons in the nucleus if an atom

A

Atomic mass

41
Q

The average of the masses of the isotopes if an element

A

Period mass number

42
Q

Who was the man who lived from 460 BC - 370 BC and was among to suggest the idea of atoms

A

Dalton

43
Q

Dalton’s atomic theory included

A

Atoms of the same element are always identical

44
Q

Who conducted experiments to determine the amount of charge carried by an electron?

A

Millikan

45
Q

Who discovered the neutron?

A

Chadwick

46
Q

20/10E

A

Mass on top
Proton on the bottom
Isotope is the proton

47
Q

Tendency of electrons to enter orbitals of lowest energy first

A

Aufbau principle

48
Q

When electrons enter orbital they tend to spread out

A

Hunds rule

49
Q

Each orbital has at most two electrons with opposite spins

A

Paulis exclusion principle

50
Q

Scientist who stated that electrons circle atomic nucleus like planets

A

Bohr

51
Q

Scientist whose mathematical equation gave locations of electrons

A

Schrodinger

52
Q

If the spin if one electron in an orbital is clockwise, what is the spin of the other electron in that orbital?

A

Counterclockwise

53
Q

After the 4s orbital, which are the next to be filled

A

3d

54
Q

Lithium

A

Red

55
Q

Potassium

A

Violet

56
Q

Sodium

A

Yellow

57
Q

Copper

A

Green

58
Q

Which radiation has the highest energy

A

Xray

59
Q

Today’s modern period table is arranged in order of increasing atomic…

A

Number

60
Q

Mendeleev

A

Scientist who left blanks on periodic table

61
Q

Democritus

A

First defined the atom

Chemistry (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions