Atoms, Elements, Compounds, and Mixtures

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Can you name the Atoms, Elements, Compounds, and Mixtures?

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Two or more substances mixed together which don't make a new substance
These particles have a neutral charge.
The atomic number of an element tells the number of __________in the nucleus of an atom of that element
Elements that have characteristics of both metals and nonmetals.
J.J. Thomson used the fact that ___________ charges attract each other in his cathode-ray tube experiment
A dust particle is an example __________
J.J. Thomson's cathode-ray experiments led to the discovery of the _______________
Elements that make up about 97% of the human body
The mass of the mixture of the isotopes for an element.
Elements that generally have a shiny or metallic luster.
A pure substance whose smallest unit is made of atoms of more than one element.
True or False? J.J. Thomson's experiments with cathode rays led to the discovery of the neutron.
Atoms of the same element that have different numbers of neutrons.
To find the number of neutrons in an isotope, subtract the atomic number from the ______ number
Two or more substances that are together, but not combined.
Matter that is only made up of one kind of atom.
Air is an example of a _____________
the mass number of an atom consists of the mass of the protons and _________
Electric conductivity is a property associated with________.
Matter that has the same composition and properties throughout.
During Thomson's experiments, streams of ________________were affected by the magnet.
He developed a model called the atomic theory of matter.
A positively charged particle that is present in the nucleus of all atoms.
A substance whose smallest unit is made up of atoms of more than one element.
QuestionsAnswers
The number of protons in the nucleus of an atom of an element.
True or False? Rutherford's experiments showed that alpha particles could pass through foil because most of an atom is neutrally charged.
Most elements found on the left side of the periodic table are_____________
True or False? Metalloids are elements that have characteristics of both metals and nonmetals.
True or False? Fruit salad is an example of a heterogeneous mixture
Rutherford's experiment showed that most of an atom is made up of___________
A sample of matter with the same composition and properties throughout.
particles in an atom's nucleus that do not have an electric charge
Matter that is NOT considered to be a single substance is called a _________.
An uncharged particle in the nucleus of an atom.
These particles have a positive charge.
These particles have a negative charge.
An atom of the element with the atomic number of 6 always has 6 ______ in its nucleus
contains only one kind of atom
A negatively charged particle that is part of every kind of matter.
Rutherford's use of gold foil showed that most of an atom is made up of ______________.
Water is an example of a _______________
Mixtures with visible components.
The region surrounding the nucleus in which the electrons move about.
The number of neutrons plus protons in the nucleus of an atom.
Mixtures are the same throughout.
A compound with the formula C6H12O6 is made up of how many atoms?
Isotopes are atoms of the same element that have a different number of _________

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Created Sep 29, 2010ReportNominate
Tags:elements, atom, compound, mixture