Science / Atoms, Elements, Compounds, and Mixtures

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

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

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