Exam 1 Flashcards

(65 cards)

1
Q

What do columns of the periodic table have in common?

A

Relative Reactivities

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

What do rows of the periodic table have in common

A

Electron Configurations

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

Groups 3-12 are also known as what?

A

Transition Metals

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

What is group 17 called?

A

Halogens

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

Give an example of an intensive property

A

Temperature

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

Give an example of an extensive property?

A

Length

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

Non metals are on what side of the zig-zag line on the periodic table?

A

Right side

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

Where are semi metals found?

A

Along the zig-zag line

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

what prefix represents 10^3

A

Kilo

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

what prefix represents 10^6

A

Mega

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what prefix represents 10^-2

A

centi

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

How do you convert from Celsius to Fahrenheit

A

9/5*C+32

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

How do you convert from Fahrenheit to Celsius

A

5/9*F-32

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

1m^3 equals how many cm^3

A

1000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the equation for density?

A

Mass/Volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Define Accuracy

A

How close you are to the true value

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Define Precision

A

How close your measurements are to eachother

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

How many sig figs does 100% have?

A

Infinite

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

How many sig figs in .02305

A

4

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

Define the law of conservation of mass

A

Mass is neither created nor destroyed in chemical reactions

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

Define the Law of Definite Properties

A

chemical substance of the same type always combine in the same proportions of elements. I.E. H20 is always H2O

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

Define the Law of Multiple Proportions

A

Elements can combine in different ways to form different elements.

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

What is a compound?

A

Elements combined together

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

What tool was used in the discovery of electrons?

A

Cathode Ray

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Milliken's Experiment discovered what?
The mass and the charge of electrons
26
What did Rutherford locate in his experiment?
The Nucleus
27
Where is most of the atom's mass located?
The Nucleus
28
Define Isotope?
Atoms with identical atomic numbers but different masses
29
What is an allotrope?
The different ways an element can form
30
What is the atomic mass?
a weighted average of all the known masses of an element
31
What is avogadro's number?
6.022X10^23
32
What is different between and Nuclear reaction and chemical reaction?
Nuclear reaction changes an atom into a new element
33
What does a alpha radiation release?
A helium atom
34
What does a beta radiation release?
An electron
35
What does gamma radiaton release?
A high energy photon
36
Stable isotopes have what proton to nuetron ratio?
1:1
37
name the four states of matter
Solid, Liquid, Gas, Plasma
38
What is a homogeneous mixture?
A mixture you can't seperate
39
What is a heterogeneous mixture?
A mixture you can seperate
40
Name two types of pure substances
Elements Chemical Compounds
41
What elements combine using covalent bonds
Non Metals
42
What is a covalent bond?
two atoms share several electrons
43
What is an ionic bond?
no electrons are shared, ions are electrostatically attracted.
44
What to elements combine using ionic bonds?
Metal and Non metals
45
Define a molecule
unit of matter when two or more atoms are covalently bonded.
46
What is an ion?
a charged particle
47
What is a cation?
a positively charged particle
48
What is the name for NaCL
Sodium Chloride
49
what is the equation for aluminum oxide
Al2O3
50
How to you label transition metal ionic compounds
Metal- has roman numeral for charge Non metal- ends in Ide
51
What is the name for CrCl3
Chromium(3) Chloride
52
what is the name for P2O5
diphosphorous pentoxide
53
How do you label covalent compounds?
both atoms get prefixes, and certain compounds get subfixes
54
What is the name of SO4
Sulfate
55
What is the equation for chromate?
CrO4
56
What is the name of MnO4
Permanganate
57
what is the prefix for 10^2
hecto
58
what is the prefix for 10^-3
milli
59
what is the name for NH4
Ammonium
60
NO2
Nitrate
61
HSO4
Hydrogen Sulfate
62
OH
Hydroxide
63
NO3
Nitrate
64
H2PO4
Dihydrogen phosphate
65
HCO3
Hydrogen Carbonate