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Science: Unit B

Chemistry of Materials Study Stack

QuestionAnswer
How many electrons does the element Sodium have? 11
What is glass made from? silicon sand, soda ash, and limestone
What material creates a corrosive, red mud when manufacturing? aluminum
Name a physical property of a substance. hardness
What are not considered to be characteristics of a substance? shape, size, and mass
Name a noble gas. argon
What makes up a bar of pure gold? many atoms of pure gold
How do you know if a chemical reaction took place? bubbling and/or a change in temperature
What is a precipitate? the formation of solid pieces after a reaction
What are the reactants in a chemical reaction? the two original substances
Name a mixture. vegetable soup
How many different elements make up one molecule of glucose (C6H1206)? 3
What is found inside the nucleus of an atom? protons and neutrons
How many total atoms are in one molecule of H2SO4? 7
Why are alkali metals so reactive? they have one electron in the outer shell
Which scientific law states that during a chemical reaction, no matter is created or destroyed; it is just rearranged into new substances? law of conservation of mass
What phase are most elements found at room temperature? solids
What is the smallest particle of a compound called? molecule
What is the atomic number of Titanium? 22
What is the atomic mass of Uranium? 238
How many protons are in an atom of Sulfur? 16
How many electrons are in an atom of Oxygen? 8
How many neutrons are in an atom of Potassium? 20
What is the chemical symbol for Boron? B
What is the chemical symbol for Mercury? Hg
What is the most reactive metal family? alkali metals
Where are the most reactive metals located on the periodic table? group 1
What is the most reactive non-metal family? halogens
Where are the most reactive non-metal located on the periodic table? group 17
What is the name of the most non-reactive elements? noble gases
What family is Ca in? alkaline-earth metals
What is the most common element in the universe? hydrogen
Created by: white_amanda