Brainscape's Knowledge GenomeTM

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


See full index

Biology 105 > Chapter 2 > Flashcards

Chapter 2 Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
0
Q

A solution in which water is the solvent

A

Aqueous solution

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

Substance that increases H+ concentration in a solution

A

Acid

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

The smallest unit of matter that retains the properties of an element

A

Atom

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

The number of protons in each particular element

A

Atomic number

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

A substance that decreases the H+ concentration in a solution

A

Base

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

A chemical substance that resists change in pH by accepting hydrogen ions from or donating hydrogen ions to solutions

A

Buffer

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

Attraction between two atoms resulting from a sharing of outershell electrons or the presence of opposite charges on the atoms

A

Chemical bond

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

A process leading to chemical changes in matter

A

Chemical reaction

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

Attraction between molecules of the same kind

A

Cohesion

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

Substance containing two or more elements in a fixed ratio

A

Compound

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

Attraction between atoms that share one or more pairs of outershell electrons

A

Covalent bond

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

Subatomic particle with a single unit of negative charge

A

Electron

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

Substance that cannot be broken down further into other substances

A

Element

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

Property of water whereby a body becomes cooler as water evaporates from

A

Evaporative cooling

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

Amount of kinetic energy contained in the movement of atoms in molecules in a body of matter

A

Heat

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

Weak chemical bond formed when partially positive hydrogen atom is attracted to partially negative atom in a polar molecule

A

Hydrogen bond

16
Q

An atom or molecule that has gained or lost one or more electrons

A

Ion

17
Q

Attraction between two ions with opposite electrical charges

A

Ionic bond

18
Q

Variant form of an atom with same number of protons and electrons but different number of neutrons

A

Isotope

19
Q

Measure of the amount of material in an object

A

Mass

20
Q

Sum of protons and neutrons in an atom’s nucleus

A

mass number

21
Q

Anything that occupies space and has mass

A

Matter

22
Q

Group of two or more atoms held together by covalent bonds

A

Molecule

23
Q

An electrically neutral particle in the nucleus of an atom

A

Neutron

24
Q

Atom’s central core containing protons and neutrons

A

Nucleus

25
Q

Measure of the relative acidity of a solution ranging from 0 to 14

A

pH scale

26
Q

Molecule with opposite charges on opposite ends

A

Polar molecule

27
Q

Ending material in chemical reaction

A

Product

28
Q

Subatomic particle with a positive charge

A

Proton

29
Q

An isotope who’s nucleus decays spontaneously giving off particles and energy

A

Radioactive isotope

30
Q

Starting material in chemical reaction

A

Reactant

31
Q

Substance that is dissolved in a solution

A

Solute

32
Q

Liquid consisting of a homogeneous mixture of two or more substances

A

Solution

33
Q

Dissolving agent in a solution

A

Solvent

34
Q

Measure of the intensity of heat

A

Temperature

35
Q

Element that is essential for the survival of an organism but is needed only in minute quantities

A

Trace element

Biology 105 (17 decks)

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