Periodic Table
How many known elements do we have at present
118
What is the chemical symbol of hydrogen?
H
The compound we drink everyday?
Water
It is a mixture where the components are visible?
Heterogeneous mixture
What are the two components of solution?
Solute and solvent
What are the columns and rows in the periodic table called?
group and period
what is the chemical symbol of gold?
Au
What is the common name of the compound formed when sodium combined with chlorine?
Salt
A mixture where the particles are not completely mixed and settle at the bottom?
Suspension
What is the maximum amount of solute that can be dissolved in the given amount of solvent at certain temperature called?
Solubility
Who is the father of periodic table?
Dmitri Ivanovich Mendeleev
What is the chemical symbol of antimony?
Sb
What is the process used to separate hydrogen and oxygen from water?
electrolysis
It is a homogeneous mixture.
Solution
What do you call to a solution that exceeded its saturation?
Super saturated
Who proposed the system of chemical symbols?
Jons Jakob Berzellius
What element is represented by Nd?
Neodymium
What compound is represented by the chemical formula CO2?
Carbon dioxide
A mixture that exhibits Tyndall effect.
Colloid
What refers to the relative amount of solute and solvent in the given amount of solution?
Concentation
How many groups and periods are there in a periodic table?
18 columns and 7 periods
What element is represented Sn?
Tin
What compound is represented by the chemical formula CH3COOH?
Acetic acid
what method of separating mixture can recover the salt and water from seawater?
Distillation
What does 40% concentration mean?
40% solute 60% solvent