Chemistry chapters 6-7 Flashcards

1
Q

What is the order of the electromagnetic spectrum?

A

Gamma, X-ray, UV, Visible, IR, Microwave, Radiowave

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2
Q

True or False: All electromagnetic radiation travels at the same velocity, the speed of light

A

True, 3*10^8 m/s

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3
Q

What does this calculate:

E= -2.18*10^-18(1/n^2)

A

Energy in a particular orbit

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4
Q

What does this calculate:
E=-2.18*10^-18(1/nf^2- 1/ni^2)

A

Energy absorbed or emitted to reach a certain orbit

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5
Q

n is the ___ quantum number and it quantizes…

A

principle, energy of an electron

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6
Q

Azimuthal quantum number is represented with ___, and it defines the ___ of the orbital.

A

l, shape

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7
Q

When l equals:
0
1
2
3

A

s, p, d, f

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8
Q

Magnetic quantum number is represented with __ and is represents ___

A

ml, subshells

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9
Q

Pauli Exclusion Principle

A

no two electrons have the same addresses/quantum number sets

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10
Q

Hund’s Rule: For degenerate orbital, the lowest energy is obtained when the number of electrons with the ___ spin is maximized.

A

same

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11
Q

S orbital shape

A

circle

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12
Q

P orbital shape

A

two lobes with a node

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13
Q

D orbital shape

A

clover with donut

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14
Q

4p5
what is the valence electrons
what is the azimuthal
what is the principle quantum

A

5, 1, 4

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15
Q

Aufbau Principle

A

Lowest energy orbitals are full before higher energy orbitals

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16
Q

Metallic character trend

A

Increases going to the left and down

17
Q

The more metallic character an element has, the more __ its oxide is.

18
Q

Ionization energy trend

A

Increases going to the right and up (think electronegativity)

19
Q

Electronegativity trend

A

Increases going to the right and up

20
Q

Atomic radius trend

A

Increases going to the left and down

21
Q

Atomic number =

22
Q

Elements are arranged in order of increasing __ number.

23
Q

Which column has the most NEGATIVE electron affinity?

24
Q

State of matter of metals at room temp

A

solid or liquid

25
Most of the elements on the periodic table are ___.
metals
26
What is ALWAYS produced when an active metal reacts with water?
H2
27
What are allotropes?
Same molecular formula, different structure
28
Oxides of active metals combine with water to form ___.
metal hydroxides
29
Oxides of active metals combine with acid to form water and a ____.
salt
30
Oxides of most nonmetals combine with water to form an ___.
acid
31
Oxides of most nonmetals combine with bases to form ___.
water and a salt