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Which of these properties can be used to classify the different types of radiation given off by the sun?
3 kilograms
in the center of the atom
Matter can not be created or destroyed
mass and volume
ions are electrically charged atoms that have lost or gained an electron
to allow people to know what caused the observed results
wavelength
2
Maria wants to find the density of a mineral sample. Which of these pairs of properties will she need to measure to determine the density?
3 kilograms
in the center of the atom
Matter can not be created or destroyed
mass and volume
ions are electrically charged atoms that have lost or gained an electron
to allow people to know what caused the observed results
wavelength
2
Any condition that can be changed in an experiment is called a variable. Which of these best explains why there should only be one variable changed in an experiment?
3 kilograms
in the center of the atom
Matter can not be created or destroyed
mass and volume
ions are electrically charged atoms that have lost or gained an electron
to allow people to know what caused the observed results
wavelength
2
Which of these describes the location of the neutrons in an atom?
3 kilograms
in the center of the atom
Matter can not be created or destroyed
mass and volume
ions are electrically charged atoms that have lost or gained an electron
to allow people to know what caused the observed results
wavelength
2
Which of these statements about ions is true?
3 kilograms
in the center of the atom
Matter can not be created or destroyed
mass and volume
ions are electrically charged atoms that have lost or gained an electron
to allow people to know what caused the observed results
wavelength
2
Which of these statements best describes the law of conservation of mass proposed by Antoine Lavoisier?
3 kilograms
in the center of the atom
Matter can not be created or destroyed
mass and volume
ions are electrically charged atoms that have lost or gained an electron
to allow people to know what caused the observed results
wavelength
2
An atoms of helium has two protons and a change of zero. How many electrons does an atoms of helium have?
3 kilograms
in the center of the atom
Matter can not be created or destroyed
mass and volume
ions are electrically charged atoms that have lost or gained an electron
to allow people to know what caused the observed results
wavelength
2
A force of 15 newtons is exerted on an object causing it to accelerate at 5 meters per second squared. What is the mass of the object?
3 kilograms
in the center of the atom
Matter can not be created or destroyed
mass and volume
ions are electrically charged atoms that have lost or gained an electron
to allow people to know what caused the observed results
wavelength
2
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