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Matter
Question | Answer |
---|---|
Where are transition metals located on the periodic table? | in the center |
Where are the least reactive elements on the periodic table? | left side groups 1 and 2 |
Where are the most reactive elements on the periodic table? | in group 18 |
Where are the metalloids on the periodic table? | a staircase from 13-16 |
Where are the nonmetals on the periodic table? | far right side of the periodic table |
Where are the metals on the periodic table? | left side |
What is the smallest part of an element? | atom |
What is the smallest part of a compound? | molecule |
What does a period represent? | a row |
What does a group represent? | a column |
What is the definition of mass? | a substance that takes up space |
What is the Law of Conservation of Matter? | Matter can not be created nor destroyed but however it can be changed |
What is the definition of density? | the degree of compactness of a substance. |
What is the formula for density? | p= m/v |
What are the types of physical properties? | appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and many others. |
What are the types of chemical properties? | flammability, toxicity, acidity, reactivity (many types), and heat of combustion |
What is the definition of melting point? | the temperature at which a given solid will melt. |
What is the definition of combustibility? | how easily a substance will set on fire |
What is the definition of reactivity? | the state or power of being reactive or the degree to which a thing is reactive. |
What is the definition of boiling point? | the temperature at which a liquid boils and turns to vapor. |