Science / Atoms, Elements, Compounds, and Mixtures

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

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

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