Science Quiz / Atoms, Elements, Compounds, and Mixtures

Random Science or Elements Quiz

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

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