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

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