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CHEM 111 > Final Exam > Flashcards

Final Exam Flashcards

1
Q

A =

A

mass # (# of protons + neutrons)

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2
Q

Z =

A

Atomic # (# of protons)

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3
Q

X=

A

element symbol

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4
Q

Halogens

A

Group VII A

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5
Q

Alkali metals

A

Group I A

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6
Q

Alkaline Earth Metals

A

Group II A

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7
Q

Noble Gasses

A

Group VIII A

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8
Q

Main Group elements

A

all groups with “A” after roman numeral

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9
Q

Transition metals

A

all groups with “B” after Roman numeral

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10
Q

What has the higher energy
Blue or red light

A

blue light

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11
Q

What has the higher energy
microwaves or infrared light

A

infrared light

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12
Q

What has the higher energy
yellow or green light

A

green light

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13
Q

What has the higher energy
760nm or 500nm

A

500nm

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14
Q

What has the higher energy
4.0x10^-4 s^-1 or 4.0x10^-15 s^-1

A

4.0x10^-15 s^-1

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15
Q

What has the higher energy
ultraviolet light or gamma rays

A

gamma rays

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16
Q

which of the following forms of electromagnetic radiation has the shortest wavelength?
- visible light
- radio waves
- ultraviolet
- infrared
- microwaves

A

ultraviolet

17
Q

Na+

A

Sodium Ion

18
Q

NH4^+

A

ammonium ion

19
Q

PO4^3-

A

Phosphate ion

20
Q

Mg^2+

A

magnesium ion

21
Q

NO2-

A

nitrite ion

22
Q

CO3^2-

A

carbonate ion

23
Q

Cl-

A

chloride ion

24
Q

NO3-

A

nitrate ion

25
HCO3-
hydrogen carbonate ion
26
accuracy
close to true value
27
precision
how close multiple measurements are
28
Ionic compounds
formed between a metal and nonmetals
29
molecular compounds
formed between nonmetals
30
polyatomic ions
- two or more atoms joined together by a covalent bond - anions are more common than cations - ones you should remember - NH4+ - H3O+
31
polarity
refers to the extent that electrons are transferred from one atom to another during bonding
32
non polar covalent
bonds between two identical non metal

CHEM 111 (1 decks)

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