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Science > 4th Monthly Test > Flashcards

4th Monthly Test Flashcards

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1
Q

they lose electrons

A

Cation

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2
Q

they gain electrons

A

Anion

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3
Q

charged atom

A

Ion

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4
Q

Metals are always positive

A

True

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5
Q

Non metals are always negative

A

True

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6
Q

Atoms of the same elements that have the same atomic number but a different mass number

A

Isotopes

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7
Q

Atoms with the same number of protons but different numbers of neutrons

A

Isotopes

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8
Q

It is equivalent to protons

A

Atomic number

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9
Q

It is the combined number of protons, electrons, and neutrons present in its nucleus

A

Mass number

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10
Q

Positive charge of an element

A

Protons

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11
Q

Negative charge of an element

A

Electrons

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12
Q

Neutral charge on an element

A

Neutrons

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13
Q

Region of atom where electrons may be found

A

Electron cloud

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14
Q

Pictorial representation of the electrons in an atom.

A

Orbital Diagram

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15
Q

No two electrons can have the exactly the same set of quantum numbers

A

Pauli Exclusion Principle

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16
Q

States that a lower energy orbital should be filled first before the next higher energy level.

A

Aufbau Principle

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17
Q

States that every orbital of the same energy must be occupied with one electron before any orbital is doubly occupied

A

Hund’s Rule

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18
Q

Represented by whole numbers

A

Principal quantum numbers (N)

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18
Q

values that are used when describing the energy levels of electrons in atoms

A

Quantum Numbers

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19
Q

Represented by sublevel in each energy level

A

Angular Quantum numbers (L)

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20
Q

s (max of e-)

A

2

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21
Q

p (max of e-)

A

6

22
Q

d (max of e-)

A

10

23
Q

f (max of e-)

A

14

24
Q

Describes the orientation in space of an orbital of the given energy

A

Magnetic quantum numbers (M)

25
Q

Describes the spin of an electron in an orbital

A

Spin quantum numbers

26
Q

Made up of only one type of atom

A

Elements

27
Q

How many elements in periodic table

A

118 elements

28
Q

Three types of Elements

A

Metal, Metalloid, Nonmetal

29
Q

Vertical columns of the Periodic table ( yung 1-18)

A

Group

30
Q

Horizontal rows of the Periodic Table
(yung 1-7)

A

Period

31
Q

Roman numerals

A

Family

32
Q

This attempt was called the law of triads.

A

Johann Wolfgang Dobreiner

33
Q

He then created the Telluric screw.

A

Alexander Béguyer de Chancourtois

34
Q

this is called the law of octaves.

A

John Newlands

35
Q

He began writing a book named The Principles of Chemistry,

A

Dmitri Mendeleev

36
Q

He Determined the atomic number and he arranged the sequence of elements

A

Henry Mosely

37
Q

The person who discovered transuranic elements

A

Glenn Seaborg

38
Q

give the elements of the staircase

A

B, Si, Ge, As, Sb, Te, Po

39
Q

the staircase is what

A

example of metalloids

40
Q

under the staircase

A

example of metals

41
Q

above the staircase

A

example of non metals

42
Q

what do you call the IA, IIA, IIIA, IVA……..

A

Representative elements

43
Q

These elements lose electrons

A

s block

44
Q

Has 3 orbitals

A

p block

45
Q

Boron to Neon Group

A

p block

46
Q

Has 5 orbitals

A

d block

47
Q

Scandium to zinc Group

A

D block

48
Q

Hydrogen to Beryllium Groups block

A

s block

49
Q

Helium to Radon Group

A

Noble Gases

50
Q

s (Angular Quantum)

A

0

51
Q

p (Angular Quantum)

A

1

52
Q

d (Angular Quantum)

A

2

53
Q

f (Angular Quantum)

A

3

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