Metals And First Six Weeks Question Preview (ID: 48258)
First Six Weeks.
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reflects light or shiny
a) luster
b) malleable
c) brittle
d) conductor
breaks easily
a) luster
b) malleable
c) brittle
d) conductor
when hit with a hammer, able to bend, dent or flatten without breaking
a) luster
b) malleable
c) brittle
d) conductor
allows heat and electricity through easily
a) conductor
b) insulator
c) malleable
d) brittle
does NOT let heat and electricity through easily
a) conductor
b) insulator
c) malleable
d) brittle
A pure substance made of 1 type of atom and represented by a chemical symbol
a) atom
b) molecule
c) element
d) compound
a pure substance made of two or more atoms of different elements and represented by a chemical formula
a) element
b) compound
c) atom
d) conductor
to have a lot or the most of something
a) essential
b) abundant
c) nonmetal
d) metla
something you must have or that is very important
a) essential
b) abundant
c) conductor
d) insulator
Which of the following is the most abundant element in the atomsphere
a) oxygen
b) hydrogen
c) helium
d) nitrogen
Which of the following lists the characteristics of metals
a) high luster, malleable, good conductors
b) high luster, brittle, good conductor
c) dull, brittle, poor conductor
d) dull, malleable, poor conductor
Which of the following lists the characteristics of nonmetals
a) high luster, malleable, good conductors
b) high luster, brittle, good conductor
c) dull, brittle, poor conductor
d) dull, malleable, poor conductor
Which of the following is NOT true about compounds
a) they are pure substances
b) they have a chemical symbol
c) they are made of two or more different elements
d) they have a chemical formula
If you mix two substance and observe bubbling and fizzing, which sign from city girls love their phones has happened?
a) color change
b) gas omitted
c) light given off
d) temperature change
which of the following describes a chemical change
a) breaking a pencil
b) mowing the lawn
c) cutting your hair
d) burning wood into ash
Which two elements are most found in living matter (the biosphere)
a) oxygen and carbon
b) oxygen and sulfur
c) oxygen and helium
d) oxygen and hydrogen
Which of the following is an element?
a) Ca
b) CO
c) CHe
d) KL
dissolving salt or sugar in water is an example of
a) a chemical change
b) a physical change
c)
d)
When a precipitate forms, what kind of change has happened
a) chemical change
b) physical change
c)
d)
When a substance has characteristics of a metal and a nonmetal it is called
a) a half metal
b) a gas
c) a liquid
d) a metalloid
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