MSPS1-1_Atoms_&_Molecules
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- Q 1/13Score 0The image below is a 3-D model of ammonia (NH3). What term best describes ammonia?29ElementMoleculeMixtureAtom
13 questions
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- Q1The image below is a 3-D model of ammonia (NH3). What term best describes ammonia?ElementMoleculeMixtureAtom60s
- Q2Agate is a mineral that appears banded due to impurities in its chemical composition. The image below shows a cross-section of a crystal of agate. Agate is a variety of the mineral, quartz. Quartz is composed of silicon dioxide (SiO2), which is one part silicon for every two parts of oxygen. Which statement correctly describes the extended structure of quartz?One layer of silicon atoms under two layers of oxygen atomsAlternating layers of silicon and oxygen atomsA single molecule of silicon dioxideA pattern of repeating subunits of silicon dioxide60s
- Q3Atoms are the particles that all matter is made from. When two or more kinds of atoms combine, they form _______.MoleculesPure elementsThe periodic tableMetals60s
- Q4Which model represents molecules that are made of only a single element?XZYW60s
- Q5When atoms are joined together, they form _______.ProtonsMoleculesElectronsNuclei60s
- Q6The model below represents water. Based on the labels, what is the best description of this model?X and Y represent atoms; Z represents a molecule of waterX and Y represent molecules; Z represents an atom of waterX represents a molecule; Y represents a particle; Z represents an atom of waterX represents an atom; Y represents a molecule; Z represents a particle of water60s
- Q7Diamond and graphite contain only carbon atoms, yet they are very different objects with very different properties. Why are diamond and graphite different?They contain different atoms.They contain different elements.Their subatomic particles are different.Their atoms are arranged differently.60s
- Q8Ammonia is commonly used in cleaning solutions, as well as in manufacturing and water purification. Its chemical formula is NH3. The model below represents ammonia. Based on the model, which statement best describes ammonia?Ammonia is composed of molecules that are joined together to form an extended structure.Ammonia is composed of atoms of one type that are joined together to form an extended structure.Ammonia is composed of molecules that can freely move past each other.Ammonia is composed of atoms of one type that can freely move past each other.60s
- Q9Graphite, as shown in the image below, is considered an extended structure and is made of carbon. Which of the following best describes the structure of graphite?It is arranged in a crystal lattice.It is organized in a non-repeating pattern.It is made from different types of atoms.It is composed of different molecules.60s
- Q10Diamond and graphite contain only carbon atoms, yet they are very different objects with very different properties. Why are diamond and graphite different?They contain different elements.Their subatomic particles are different.They contain different atoms.Their atoms are arranged differently.60s
- Q11Which of the following represents a molecule?CO2NaHe60s
- Q12Which model represents molecules that are made of only a single element?YXZW60s
- Q13The diagram below shows atoms that are all arranged into groups in the same way. What does this diagram represent?Three different substancesTwo different substancesA single type of elementA single type of substance60s
