According to the conservation of mass and energy law, which of the following is TRUE of mass and energy? A) Mass is neither created nor destroyed. B) Energy is neither created nor destroyed. C) Mass may be destroyed but not energy. D) Energy may be destroyed but not matter. E) The total mass and energy is constant.

Q: List the three different subatomic particles present in an atom and their symbol?

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Q: Who originally proposed the concept that matter is composed of tiny, indivisible particles?

A: John Dalton proposed the concept that matter is composed of tiny, indivisible particles.

Q: What does the law of definite proportions state? Select the correct answer below: All samples of a…

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Q: The attraction that binds positive and negative charges together in an atom is known as the   a.…

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Q: Compare and contrast the three primary particles contained in atoms

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Q: The car is in motion. a. Newton's First Law Newton's Second Law Newton's Third Law

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Q: What four fundamental assumptions about atoms and matter make up modern atomic theory?

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Q: what are radioactive elements? Give examples

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Q: (BASIC QUESTIONS) Choose or tick the phase of matter that is being described CHOICES: GAS LIQUID…

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Q: Activity Sheet I. Fill-in the Blanks: Write the word or group of words on the blank to complete each…

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Q: Marie Curie is famous for her study of:  a. hydrogen b. electricity c. radiation d. magnetism

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Q: What are the aspects of Leucippus and Democritus idea of atomism?

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Q: The energy released by the nuclear bomb that destroyed Hiroshima was equivalent to 12.4 kilotons of…

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Q: Define radioactive isotope

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Q: Identify the following as a heterogeneous mixture, a homogeneous mixture, a compound or an element.…

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Q: Which of the following is the type of particle that almost never interacts with normal matter?   a.…

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Q: The total mass of 12 protons, 27 neutrons, and 24 electrons

A: Given that, no. of proton = 12 no. of neutron = 27 no. of electron = 24

Q: Convert the mass of one electron (m=9.10*10^ -31kg) to energy. Recall the speed of light c = 3.00 *…

A: Given that, m=9.10×10-31 Kg  c= 3.00×108 m s-1 Energy E = ?

Q: Uranium has three isotopes : uranium-233, uranium-235, and uranium-238. Compare the number of…

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Q: The radioactive carbon is known as:  a. Carbon 12 b. Carbon 14 c. Carbon 13 d. Carbon 15 *This…

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Q: What is correct from multiple choice

A: Since the symbol of Hydrogen is H and not He Hence option b is correct answer

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Q: Are you satisfied knowing that man can recreate an element using technology? Justify your answer​

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Q: State and explain the law of conservation of mass.

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Q: Defend or refute the statement • The separation of a mixture may result in the production of an…

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Q: A subatomic particle is located in the outermost shell of an atom. Due to its location, the particle…

A: Atomic structure schematic

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Q: The law of conservation of mass states that mass in an isolated system is neither created nor…

A: The example is given below:

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Q: A bottle labeled AL contains aluminum what domain is this and what do the symbols stand for?

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