Periodic Table
how many periods are there on the periodic table.
7
A chain on a bike is rusting.
Physical or Chemical change?
Chemical change
is water a compound, element, or mixture?
water is a coumpound
does protons have a negitive, positive, or neutral charge?
Protons have a positive charge
what is a Covalent bond?
A covalent bond is a bond that consisted with two nonmetals.
how many families are on the periodic table.
18
Flamibility
Chemical or physical change?
Chemical change
is air homogenous mixture or heterogeneous mixture?
air is a homogenous mixture.
Does a Neutron have a negitive, positive, or neutral charge?
Neutrons have a neutral charge
What is an Ionic bond?
An Ionic bond is a bond that consist of a metal and a nonmetal.
what does Au stand for on the periodic table?
Gold
Water freezing back into an ice cube.
Physical or Chemical change?
Physical change
is Concrete a heterogenous mixture or a homogeneous mixture?
Concrete is a heterogenous mixture.
Do Elements have a positive, negitive, or neutral charge?
Elements have a negitive charge.
Is table salt an example of an ionic bond or a covalent bond?
Table Salt is an example of an ionic bond.
What is the atomic number for gold?
79
Melting an ice cube.
Physical or chemical change?
Physical change
is Sodium Chloride a compound, mixture, or mixture?
sodium chloride is a compound
Where on Protons and Neutrons located on an atom.
Protons and Neutrons are located in the nucleus.
Is Sodium Chloride an Ionic bond or a Covalent bond?
Sodium Chloride is an example of an Ionic bond.
Where are nonmetals located on the periodic table?
Left side
mixing hydrochloric acid and sodium hydroxide to make salt and water is a .
Physical or Chemical change?
Chemical change
Is Soda a Heterogenous mixture or a homogenouH mixture?
Soda is a Heterogeneous mixture.
The charge on the proton and electron are exactly the same size but opposite.
True or False?
This is True
Is Methane an example of a Ionic bond or a Covalent bond?
Methane is an example of a Covalent bond.