8th Grade Chemistry
Quiz by MacKenzie
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76 questions
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- Q1_________ is anything that has mass and takes up space.particleselementsmatteratom30s
- Q2An _________ is the smallest unit of matter.electronatomprotonneutron30s
- Q3The word atom comes from a Greek word that mean"cannot be chopped""can be divided""can be manipulated""cannot be divided"30s
- Q4Which of the following is not part of an atom?neutronprotonelectronelectricity30s
- Q5_________ are positively charged particles.protonsnucleusneutronselectrons30s
- Q6___________ are electrically neutral particles, which means they have no charge.nucleusneutronsprotonselectrons30s
- Q7___________ are negatively charged particles with almost no mass.protonselectronsneutronsnucleus30s
- Q8Protons and neutrons stick together to form the center of an atom, called thenucleus30s
- Q9Where are electrons found?orbiting the nucleuson the left side of the nucleuson the right side of the nucleusinside the nucleus30s
- Q10Who was the first scientist to propose that elements are composed of indestructible atoms?Ernest RutherfordJohn DaltonSir Joseph John ThomsonSir James Chadwick30s
- Q11Who discovered the presence of negatively charged particles (electrons) in atoms?Sir James ChadwickSir Joseph John ThomsonJohn DaltonErnest Rutherford30s
- Q12Who worked out that each atom had a small and heavy positively charge center, which he called a nucleus?Sir James ChadwickJohn DaltonErnest RutherfordSir Joseph John Thomson30s
- Q13Who proposed the existence of uncharge particles in the nucleus, which he called neutrons?Ernest RutherfordSir James ChadwickJohn DaltonSir Joseph John Thomson30s
- Q14A ____________ is the way something looks, feels, smells, and tastes.physical propertyphysical changechemical changechemical property30s
- Q15______________ is any change to the physical properties of matter such as its size, shape, or state.physical changechemical propertyphysical propertychemical change30s