Atomic Structure And States Of Matter Question Preview (ID: 22364)
Recognize That All Matter Consists Of Atoms.
Compare The Particle Arrangement And Type Of Particle Motion Associated With Different States Of Matter.
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Which of these best describes what must happen to the particles in water before it can change from one state to another?
a) The particles must lose a hydrogen atom.
b) The number of particles must decrease.
c) The particles must gain or lose energy.
d) The number of particles must increase.
Particles in what state of matter can spread in all directions to fill the volume of the container that holds them?
a) solid
b) liquid
c) gas
d) molecule
What determines a material’s state of matter?
a) viscosity and density of the particles
b) the motion of particles and the strength of attraction between them
c) the surface tension of the particles
d) the arrangement of the particles into a cube
What happens to the molecules in a lump of butter as the butter melts?
a) The molecules pack together more closely and move faster.
b) The molecules spread farther apart and move slower.
c) The molecules spread farther apart and move faster.
d) The molecules pack together more closely and move slower.
What is the atomic mass of an atom that contains 11 protons, 13 neutrons, and 11electrons?
a) 13
b) 11
c) 22
d) 24
Sodium is an element found in table salt. It contains 11 protons and 12 neutrons. How many electrons are found in a neutral atom of sodium?
a) 23
b) 12
c) 11
d) 1
What is the atomic number of an atom that contains 26 protons, 29 neutrons, and 26 electrons?
a) 29
b) 26
c) 52
d) 81
What is the charge of an Ion that has 38 protons and 43 electrons?
a) +81
b) +38
c) -81
d) -5
Which of these describes the motion and arrangement of particles in a solid?
a) Particles are superheated and separate into ions and free electrons.
b) Particles slip past one another whiling maintaining some contact.
c) Particles vibrate and are packed together.
d) Particles move quickly and are not in contact with each other.
Chlorine is an element found in table salt. Its atomic mass is 35 and it contains 17 protons. How many neutrons are found in a neutral atom of chlorine?
a) 35
b) 18
c) 17
d) 1
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