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53 Cards in this Set
- Front
- Back
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How close a series of measurements are to each other is called... |
Precision |
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Atoms with a different number of neutrons than protons are... |
Isotopes |
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The total number of protons and neutrons in an atom = the... |
Mass number |
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A quantity that has both a number and a unit is a... |
Measurement |
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The formula for density is... |
D=m/v * dont forget = |
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Absolute zero one the Celsius scale is... |
-273° |
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The amount of mass in an object per its volume is called... |
Density |
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1/12th the mass of a carbon-12 armor is known as.... |
Atomic mass unit (AMU) |
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The weighted average mass of an atom is the... |
Atomic mass |
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List the three components of an atom and designate the charge for each |
1. Proton (+) 2. Neutrons ( ) 3. Electrons (-) |
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The capacity to do work or produce heat is called... |
Energy |
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What is the boiling point of water of on Celsius scale? |
100° |
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What is the freezing point of water on the Celsius scale? |
0° |
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A force that measures the effect of gravity on an object is called... |
Weight |
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How close measurements come to the actual value is known as... |
Accuracy |
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The number of an atoms protons in the nucleus is the... |
Atomic number |
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An atoms central core of protons and neutrons is the... |
Nucleus |
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On the Kelvin scale, water freezes at? |
273.15 |
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On the Kelvin scale, water boils at... |
373.15 |
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In the SI system, what is the base unit of measure (with symbol) for; Length? |
Meter (m) |
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In the SI system, what is the base unit of measure (with symbol) for; Mass? |
Kilogram (kg) |
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In the SI system, what is the base unit of measure (with symbol) for; Amount of substance? |
Mole (mol) |
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In the SI system, what is the base unit of measure (with symbol) for; Luminous intensity? |
Candela (cd) |
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In the SI system, what is the base unit of measure (with symbol) for; Temperature? |
Kelvin (k) |
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In the SI system, what is the base unit of measure (with symbol) for; Electric current? |
Ampere (A) |
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In the SI system, what is the base unit of measure (with symbol) for; Time? |
Seconds (s) |
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Write the symbol for these SI prefixes; Pico |
p |
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Write the symbol for these SI prefixes Micro |
M (that fancy one) |
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Write the symbol for these SI prefixes Centi |
c |
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Write the symbol for these SI prefixes Mega |
M |
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Write the symbol for these SI prefixes Nano |
n |
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Write the symbol for these SI prefixes Deci |
d |
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Write the symbol for these SI prefixes Milli |
m |
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Write the symbol for these SI prefixes Kilo |
k |
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Actual mass for a proton? |
1.67×10^-24 |
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Actual mass for an electron |
9.11×10^-28 |
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Actual mass for a neutron? |
1.67×10^-24 |
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The energy needed to move an electronic to another level is a... |
Quantum |
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The probability of finding an electron at various locations around the nucleus of an atom is called atomic... |
Orbital |
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The fixed energy levels an electron can have are called... |
Energy levels |
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Write the name and symbol for element 57 |
Lanthanum La |
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Write the name and symbol for element 79 |
Gold Au |
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Write the name and symbol for element 47 |
Silver Ag |
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Write the name and symbol for element 74 |
Tungsten W |
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Write the name and symbol for element 80 |
Mercury Hg |
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Write the name and symbol for element 50 |
Tin Sn |
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Write the name and symbol for element 82 |
Lead Pb |
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Write the name and symbol for element 89 |
Actimum Ac |
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"Electrons occupied orbitals of the same energy level in a way that makes the number of electronics with the same spin direction as large as possible" describes... |
Hunds Rule |
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A quantum mechanical property that may be thought of as clockwise or counterclockwise is called... |
spin |
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An atomic orbital may describe at most two electronics according to the... |
Pauli Exclusion Principle |
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Electrons occupy the origins of the lowest energy level first according to the... |
Aufbau Principle |
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List the wavelengths sequence of the electromagnetic spectrum in sequence from left to right |
Radio Waves Radar Microwaves Infrared Visible light Ultraviolet X-rays Gamma rays |
