Elements/Compounds
Elements/Compounds
Properties of Matter
Properties of Matter
Mass, Volume, Density
100
An element is a ______________substance
pure
100
What side of the stair step are the metals located?
Left
100
Metals have a shiny _____________?
Luster
100
A rubber glove is an example of which property of matter?
Insulator
100
The amount of matter in an object is ____________?
mass
200
An element is represented by a
Chemical Symbol
200
How many elements are in the compound CHO?
3
200
Non-metals are ______________, meaning the do not allow heat or electricity to pass through.
Insulators
200
Is a a bar of gold a conductor or insulator and EXPLAIN why
Conductor because it will allow heat/electricity to pass through
200
If something takes up space, it has _______________?
Volume
300
Is NaCl an element or compound
compound
300
What are the reactants in the below reaction: Mg + Cl -----> MgCl
Mg and Cl
300
Provide an example of a household item that is an insulator.
answers will vary (teach will confirm answer)
300
Is a glass malleable or brittle and EXPLAIN why
Brittle, because it is not a metal and when struck it will shatter.
300
What is the formula for density?
D=m/v
400
What is the product in this chemical reaction Na + Cl --------> NaCl
NaCl
400
About how many elements make up the Earth's Crust?
5
400
Provide 2 properties of Al.
answers should include 2 of the following: shiny luster malleable ductile conductor
400
Why is a soda can malleable?
Because it can be shaped easily with a hammer. (We could hammer it flat and crush it)
400
M=500 g V=50 mL D=?
500/50=10 g/mL
500
Name the elements in the below chemical formula: NaHCO3
Sodium, Hydrogen, Carbon, Oxygen
500
There are about ____________ out of ______________ total elements that make up the Earth's atmosphere?
3 out of 118
500
Name all the properties of non-metals
dull luster brittle insulators
500
A student notices an unknown object that is shiny and can be stretched out into a wire. Which 2 properties of matter is the student observing?
Luster and Ductile
500
M=60 g D= 10 g/mL V=?
V=M/D V= 60 g/ 10g/mL V= 6 mL
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