Chemistry Midterm: Chapters 1, 2, and 3.

Multiple choice and true and false questions from the review sheet. Chemistry.

25 cards | Total Attempts: 188 | Created by literature | Last updated: Sep 17, 2015 | Total Attempts: 188

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The Mass Number Is The Total Number Of Protons And Electrons In The Nucleus Of An Isotope.

Related Flashcards

Front	Back
The mass number is the total number of protons and electrons in the nucleus of an isotope.	False
The nucleus of an atom contains positively charged neutrons as well as neutral particles called protons.	False
The law of definite proportions states that mass is neither created nor destroyed during ordinary chemical reactions or physical changes.	False
The discovery of the atomic nucleus came with the gold foil experiment.	True
Atoms are electrically neutral because they contain equal numbers of protons and neutrons.	False
All aspects of Dalton’s atomic theory are still proven to be correct to this day.	False
The nucleus has an incredibly low density.	False
The atomic mass is unique to each element.	False
In 1801, Avogadro proposed an explanation for the law of conservation of mass, the law of definite proportions and the law of multiple proportions.	False
The forces that hold together nuclear particles are referred to as atomic forces.	False
All atoms have neutrons.	False
Potassium-40 and Argon-40 have the same number of neutrons.	False
Zn-66 has 30 protons	True
The majority of an atom's volume is found in the electron cloud.	True
One mole of aluminnum (atomic mass of 26.98) has more atoms than one mole of helium (atomic mass of 4.00)	False