Show:
Physical Properties
Metals and Nonmetals
Molecules & Compounds
Chemical Symbols
Physical and Chemical change
100
Copper is an example of ?
A ductile metal .
100
What makes up most of the elements in the periodic table ?
Metals
100
When Na and Cl chemically combine , what is produced?
NaCl (table salt)
100
What is the symbol for nitrogen?
N
100
Is density a chemical or physical property?
Physical Property
200
If a metal can be hammered and shaped without breaking it is ?
Malleable
200
Properties of non metals are ?
Dull, brittle, and not a good conductor of heat .
200
Is Hg a compound or an element?
Element
200
H is the symbol for what element?
Hydrogen
200
What is an example of a Chemical change ? Wood burning or breaking glass ?
Wood burning
300
What is Conductivity ?
A physical property that allows Heat and Electricty to pass through easily .
300
A Metalloid has ?
Some properties of metals and some properties of nonmetals .
300
What is a substance formed when 2 or more elements are chemically joined?
Compound
300
What is the symbol for sodium?
Na
300
Viscosity ,Solubility, and Flammability are all signs of Physical change except ?
Flammability
400
Physical properties are used to observe and describe what?
Matter
400
Is boron a metal or a non metal ?
Boron is neither . It is a Metalloid .
400
When Fe gets wet it can combine with O to form what compound ?
Rust
400
What is the element for Mg ?
Magnesium
400
What are two signs of a Chemical change ?
Color change , and temperature change .
500
Name 3 physical properties ?
Melting point, Boiling point, and density,
500
Flourine, chlorine and bromine are all ?
Non Metals .
500
Is oxygen a compund ?
Oxygen is both a compound and an element .
500
How many elements are represented by this chemical formula? HCl
2
500
What type of change is a solid to a liquid ?
Physical change