what is the scientific unit of measurement for mass?
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What is a unit of mass? Mass is the amount of stuff in an object. That is, the amount of atoms and molecules present. Mass in science, is measured in the metric system using units such as kilogram (about 2.2 pounds)nwhich are a thousand grams, grams, centigrams (hundredths of grams), and milligrams (thousandths of grams). Mass is different from weight, Weight is a force.
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Final AnswersÂ© 2000-2018 GÃ©rard P. Michon , Ph.D. The gram is a unit of mass, not weight. Weight is measured in newtons. Since a weight is a force, in the SI (International System) it is measured in newtons. You may be looking for the unit of mass (since people tend to confuse mass and weight); the SI unit of mass is the kilogram. + 38 others found this useful.
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Atomic mass unit The unified atomic mass unit (symbol: u) or dalton (symbol: Da) is the standard unit that is used for indicating mass on an atomic or molecular scale (atomic mass).
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International System of Units (SI) The kilogram (abbreviation, kg) is the SI unit of mass. It is defined as the mass of a particular international prototype made of platinum-iridium and kept at the International Bureau of Weights and Measures. It was originally defined as the mass of one liter (10 -3 cubic meter) of pure water.
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mass (m) Mass (symbolized m) is a dimensionless quantity representing the amount of matter in a particle or object. The standard unit of mass in the International System (SI) is the kilogram (kg).
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Only study guide for The measure of an atom's mass is defined by the amount of protons and neutrons in it's nucleus, the neutron being about the same mass as a proton, which is considered 1 atomic mass unit (1 AMU).
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Molar mass In chemistry, the molar mass M is a physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance. The base SI unit for molar mass is kg/mol. However, for historical reasons, molar masses are almost always expressed in g/mol.
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United States customary units The pound avoirdupois, which forms the basis of the U.S. customary system of mass, is defined as exactly 453.59237 grams by agreement between the U.S., the United Kingdom, and other English-speaking countries in 1959. Other units of mass are defined in terms of it.
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SI base unit The International System of Units (SI) defines seven units of measure as a basic set from which all other SI units can be derived. The SI base units and their physical quantities are the metre for measurement of length, the kilogram for mass, the second for time, the ampere for electric current, the kelvin for temperature, the candela for luminous intensity, and the mole for amount of substance.
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Units and dimensions in chemistry A few special points about some of these units are worth noting: 1  The base unit of mass is unique in that a decimal prefix (see below) is built-in to it; that is, it is not the gram, as you might expect. 2  The base unit of time is the only one that is not metric.
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What units are used to express mass and weight? The metric units most used to express mass are the kilogram and the  gram. A kilogram is equal to 1000 grams. A kilogram also is  equivalent to 2.2 pounds. Other metric unit…s of mass are the  milligram and the centigram.
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mass mass definition. In physics, the property of matter that measures its resistance to acceleration. Roughly, the mass of an object is a measure of the number of atoms in it. The basic unit of measurement for mass is the kilogram. (See Newton's laws of motion; compare weight.)
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metric system a decimal system of weights and measures, adopted first in France but now widespread, universally used in science, mandatory for use for all purposes in a large number of countries, and favored for use in most (as in the U.S.). The basic units are the meter (39.37 inches) for length and the gram (15.432 grains) for mass or weight.
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- The gram (alternative spelling: gramme; SI unit symbol: g) (Latin gramma, from Greek γράμμα, grámma) is a metric system unit of mass.
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Molar mass In chemistry, the molar mass M is a physical property defined as the mass of a given substance divided by the amount of substance. The base SI unit for molar mass is kg/mol. However, for historical reasons, molar masses are almost always expressed in g/mol. As an example, the molar mass of water: M ≈ 6998180148800000000♠18.01488 g/mol.
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THE METRIC SYSTEM Unit of length. The meter is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second. Unit of mass. The kilogram is the unit of mass; it is equal to the mass of the international prototype of the kilogram. Unit of time. 1. The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is mol..
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Reinventing the kilogram? Official unit of weight measurement could get new accurate definition following breakthrough Official unit of weight measurement could get new accurate definition following breakthrough. Metrologists have developed a new method for measuring a kilogram. They have calculated a number known as Avogadro's number for the task. This can be used to calculate the exact number of atoms in 1kg of silicon.
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Commonly used metric system units, symbols, and prefixes  In the S.I. system, there is a relationship between volume (liters), mass (grams), and distance (meter).  1 milliliter is the same volume as 1 cubic centimeter.  1 ml = 1 cm 3  The mass of 1 milliliter of water is approximately 1 gram.  1 L of water has a mass of approximately 1 kg. LENGTH  The standard unit of length in the metric system is the meter.
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Atomic mass The atomic mass (m a) is the mass of an atom. Its unit is the unified atomic mass units (symbol: u, or Da) where 1 unified atomic mass unit is defined as 1 ⁄ 12 of the mass of a single carbon-12 atom, at rest.
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atomic mass unit Also called dalton. a unit of mass, equal to 1/12 (0.0833) the mass of the carbon-12 atom and used to express the mass of atomic and subatomic particles.
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Boiled Asparagus Directions. Bring 1 inch salted water to a boil in a large skillet. Add asparagus in one layer. Cook until tender, about 5 minutes for medium and 7 minutes for jumbo. Drain, and transfer to a serving platter. Sprinkle with salt and pepper, and top with a pat of butter.dd asparagus in one layer. Cook until tender, about 5 minutes for medium and 7 minutes for jumbo. Drain, and transfer to a serving platter. Sprinkle with salt and pepper, and top with a pat of butter.
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- The gram (alternative spelling: gramme;[1] SI unit symbol: g) (Latin gramma, from Greek γράμμα, grámma) is a metric system unit of mass.
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The Metric System: Metric and Scientific Notation The simplicity of the metric system stems from the fact that there is only one unit of measurement (or base unit) for each type of quantity measured (length, mass, etc.). The three most common base units in the metric system are the meter, gram, and liter. The meter is a unit of length equal to 3.28 feet; the gram is a unit of mass equal to approximately 0.0022 pounds (about the mass of a paper clip); and the liter is a unit of volume equal to 1.05 quarts.
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- Confidence votes 2.1K. The SI (or metric) unit is the Newton, defined as the force needed to accelerate a mass of 1 kg at a rate of 1 metre/sec2. The SI (or metric) unit is the Newton, defined as the force needed to accelerate a mass of 1 kg at a rate of 1 metre/sec2.
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Metric units of mass Metric units of mass. 1  Mass is used to measure the weight of an object. For example, you are measuring the mass of your body when you step on to a scale. 2  In the metric system of measurement, the most common units of mass are the gram and kilogram. 3  A small paperclip has a mass of about 1111 gram: