Podcast
Questions and Answers
Which one of these statements about matter is correct?
Which one of these statements about matter is correct?
- Matter is a form of energy
- Matter is a substance with shiny appearance
- Matter possesses rest mass (correct)
- Matter cannot be decomposed
Which one of these statements about pure substances is correct?
Which one of these statements about pure substances is correct?
- Pure substances are made up of multiple kinds of matter
- Pure substances consist of one particular kind of matter (correct)
- Pure substances are always metals
- Pure substances can be decomposed by ordinary chemical means
Which one of these statements about elements is correct?
Which one of these statements about elements is correct?
- Elements are compounds of two or more substances
- Elements are the simplest form of matter (correct)
- Elements can be decomposed by ordinary chemical means
- Elements are substances with dull appearance
Which one of these statements about metals is correct?
Which one of these statements about metals is correct?
Which one of these statements about nonmetals is correct?
Which one of these statements about nonmetals is correct?
True or false: Matter is a material consisting of one particular kind of substance?
True or false: Matter is a material consisting of one particular kind of substance?
True or false: Metals are substances with dull appearance and are brittle?
True or false: Metals are substances with dull appearance and are brittle?
True or false: Nonmetals are substances with lustrous or shiny appearance and are malleable?
True or false: Nonmetals are substances with lustrous or shiny appearance and are malleable?
True or false: Metalloids are substances that cannot act as both metals and nonmetals?
True or false: Metalloids are substances that cannot act as both metals and nonmetals?
True or false: Compounds are chemical combinations of two or more elements that cannot be further decomposed by ordinary chemical means?
True or false: Compounds are chemical combinations of two or more elements that cannot be further decomposed by ordinary chemical means?
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