Brainscape's Knowledge GenomeTM

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


See full index

Biology > Essay 1 > Flashcards

Essay 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

What is the smallest unit of matter?

A

Atom

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

What are the three main subatomic particles of an atom?

A

Protons, neutrons, electrons

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

Which subatomic particle has a positive charge?

A

Proton

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

Which subatomic particle has no charge?

A

Neutron

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

Which subatomic particle has a negative charge?

A

Electron

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

What is the charge of an atom overall?

A

Neutral

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

Where are protons and neutrons located in an atom?

A

Nucleus

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

Where are electrons located in an atom?

A

Electron cloud

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

What is the atomic number of an element?

A

Number of protons

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

What is the mass number of an element?

A

Sum of protons and neutrons

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

What is the charge of a proton?

A

Positive

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

What is the charge of a neutron?

A

Neutral

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

What is the charge of an electron?

A

Negative

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

What is the relative mass of a proton?

A

1

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

What is the relative mass of a neutron?

A

1

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

What is the maximum number of electrons in the first energy level?

A

2

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

What is the maximum number of electrons in the second energy level?

A

8

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

What is the maximum number of electrons in the third energy level?

A

18

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

What is the maximum number of electrons in the fourth energy level?

A

32

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

What is the term for atoms with the same number of protons but different number of neutrons?

A

Isotopes

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

What is the term for atoms with the same number of protons and neutrons?

A

Isotopes

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

What is the term for atoms with the same number of neutrons but different number of protons?

A

Isotones

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

What is the term for atoms with the same number of protons but different number of electrons?

A

Ions

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

What is the term for atoms with the same number of electrons but different number of protons?

A

Ions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What is the definition of atomic number?

A

The number of protons in the nucleus of an atom.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

True or false: The atomic number determines the chemical properties of an element.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Fill in the blank: The atomic number of an element is always equal to the number of ______ in its nucleus.

A

protons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Which subatomic particle is used to identify an element’s atomic number?

A

Protons

29
Q

What is the significance of the atomic number in the periodic table?

A

It determines the element’s position and properties on the table.

30
Q

How does the atomic number change as you move across a period in the periodic table?

A

It increases by one.

31
Q

How many protons are in the nucleus of an atom with an atomic number of 6?

A

6

32
Q

What does the atomic number of an element represent in terms of the element’s identity?

A

It uniquely identifies the element.

33
Q

Which part of the atom is responsible for the atomic number?

A

The nucleus

34
Q

How does the atomic number of an element relate to its electron configuration?

A

It determines the number of electrons in a neutral atom.

35
Q

What happens to the atomic number of an element during radioactive decay?

A

It decreases.

36
Q

True or false: Isotopes of the same element have different atomic numbers.

A

False

37
Q

How does the atomic number of an element relate to its position in the periodic table?

A

It increases from left to right.

38
Q

How does the atomic number of an element relate to its mass number?

A

The atomic number is equal to the number of protons, while the mass number is the sum of protons and neutrons.

39
Q

How does the atomic number of an element change during nuclear fusion?

A

It may increase or decrease.

40
Q

What does the atomic number tell you about an element’s place in the periodic table?

A

It tells you the number of protons in the nucleus.

41
Q

What are isotopes?

A

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

42
Q

True or False: Isotopes of an element have the same chemical properties.

A

True.

43
Q

Fill in the blank: Isotopes of an element have the same number of ________.

A

Protons.

44
Q

What is an example of an isotope of hydrogen?

A

Deuterium.

45
Q

What is an example of an isotope of carbon?

A

Carbon-14.

46
Q

How are isotopes of an element represented in chemical notation?

A

By adding the mass number as a superscript before the element symbol.

47
Q

What is the mass number of an isotope?

A

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

48
Q

Fill in the blank: Isotopes of an element have the same number of ________.

A

Electrons.

49
Q

What is the difference between an isotope and an ion?

A

An isotope has a different number of neutrons, while an ion has a different number of electrons.

50
Q

What is the most common isotope of hydrogen?

A

Protium.

51
Q

What is the process of determining the relative abundance of isotopes in a sample called?

A

Isotope analysis.

52
Q

Fill in the blank: Isotopes of an element have the same ________ properties.

A

Chemical.

53
Q

True or False: Isotopes of an element have different physical properties.

A

True.

54
Q

What is the average atomic mass of an element based on?

A

The average of the masses of its isotopes weighted by their relative abundances.

55
Q

True or False: All isotopes of an element are stable.

A

False.

56
Q

What is the symbol used to represent isotopes in nuclear reactions?

A

Isotopic notation.

57
Q

What is the significance of isotopes in radiometric dating?

A

Isotopes decay at a known rate, allowing the age of rocks and other materials to be determined.

58
Q

What is the main application of isotopes in medicine?

A

In diagnostic imaging and cancer treatment.

59
Q

What is the term for isotopes that have the same mass number but different atomic numbers?

A

Isobars.

60
Q

What is the term for isotopes that have the same atomic number but different mass numbers?

A

Isotones.

61
Q

What is the term for isotopes that have the same number of neutrons but different numbers of protons?

A

Isomers.

62
Q

What is charge?

A

Charge is a property of matter that gives rise to electric force.

63
Q

True or False: Charge can be positive or negative.

A

True

64
Q

What is the unit of charge?

A

Coulomb (C)

65
Q

What is the symbol for charge?

A

Q

66
Q

What is the formula for electric charge?

A

Q = n * e

67
Q

How is charge conserved in an isolated system?

A

The total charge in an isolated system remains constant.

68
Q

What is the law of conservation of charge?

A

Charge can neither be created nor destroyed, only transferred.

69
Q

What is the formula for calculating charge?

A

Q = I * t

Biology (9 decks)

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