Atoms, Elements, Compounds, and Mixtures

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

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

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