Matter
What is simple definition of matter?
any thing that has mass and take space
Physical property is known as?
characteristic of a substance that can be observed or measured without change the new substance
What is atom?
smallest component of element.
What is molecule?
2 or more elements chemically bonded to make a new substance
What is ionic bond?
a chemical bond formed by the electrostatic attraction between oppositely charged ions.
what is simple definition of mass?
amount of matter in an object
list at least 3 more characteristic of physical property.
color, hardness, electrical conductivity.
Name specific each element have in that compound CHNOPS
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorous,
Sulfur
What is atomic numbers?
number of protons
charged atom is?
Ion
what is simple definition of volume
space that is occupied of an object
what is electrical conductivity?
a fundamental property of a material that measures how easily an electric current can flow through it
Where is proton's location?
nucleus
What is mass number?
protons and neutrons in an atom
Covalent bond meaning is?
sharing electron
Matter that has a uniform and definite composition always.
the specific temperature at which a substance changes from a solid to a liquid state.
How many charge does Neutron have?
0
some element with different mass ( change in neutron ) are?
Isotopes
What is non polar?
equal sharing of electrons
What is the simple definition of element?
a pure chemical substance consisting of only one type of atom.
Simple definition of density?
how much "stuff" (mass) is packed into a certain amount of space (volume)
Electron have charge is -1
True or false
true
radioactive isotopes is?
radiasotopes
electronegativity is?
affinity for electrons which affects type of bonds.