Pretest Direction: Read each question carefully. Choone the letter of the BEST ANSWER Write your anewer on the answer sheet. 1. Who coined the word atom? A. Plato B. Aristotle C Galileo D. Demoeritus 2. Which of the following statements describes a molecule? A a mole's cuticle B. a part of an atom C# combination of two or more atoms Destructure made of electrons, prations, and neutrans 3. Which of the following best describes an atom? A a core of electrons and neutrans surrounded by protons E a core of protons and neutrons surrounded by electrons C. protons and electrons grouped together in a random pattern D. protons and electrons grouped together in an alternating pattern 4. Which subatomic particle is neutral? A Protons B Neutrons C. Nucleons D. Bectros 5. How many electrons does an element have if its atomic number is 22 C. 30 DAD ATO
Answers & Comments
Answer:
1.A 2.D 3.C 4.A 5.D
Explanation:
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