It's shiny, soluble,and bendable
It's flat, black and a conductor of electricity
It's shiny bendable and a good conductor of electricity
It's shiny, brittle and a good conductor of heat
All of the above
Find the mass of the object.
See if the object has some of the oppisite physical properties of a Metal.
Make sure that it is a good Conductor of heat, Bendable,and Shiny
It must be in gas state
Taken up space
None of the above
More than two atoms of the same element.
Two or more elements mixed together.
Only one element.
Two or more elements chemically combined
Only one kind of atoms
Can be found in the periodic table
Can be broken down into different substances,
New substances are formed; can't be changed back (irreversible)
No new substances are formed; can be changed back (reversible)
New substances are formed; can be changed back (reversible)
No new substances are formed; can't be changed back (irreversible)
A solid formed by mixing two solutions.
A gas formed by mixing two liquids.
A liquid formed by mixing two gases.
A solid formed by heating a liquid.
Magnesium + magnesium oxide --- > oxygen
Magnesium + oxygen ---- > magnesium oxide
Magnesium oxide ---- > magnesium + oxygen
Magnesium ----- > oxygen + magnesium oxide
Magnesium ---- Ma
Potassium ----- K
Sodium ------ So
Silicon ------ S
A gas changes to a solid directly on heating
A solid changes to a gas directly on heating
A liquid changes to a gas on heating
A solid changes to a liquid and then to a gas on heating
The mass number is 27.
The proton number is 13
The neutron number is 13
The electron number is 13