Answer:
In toothpaste, this chemical is used as the surfactant. As mentioned before, surfactant is the chemicals which has the role to form the foam in the toothpaste. This harmful chemical has the risk to cause the skin, lung and eye irritation. This chemical can possibly infect toxic to human organ
Explanation:
Whats the question ? all you said was she pumps up a soccer ball
Nobel gas, it is in the last row of the periodic table and therefore is a noble gas
Answer:
At earlier times elements were arrangrd on the basis of their atomic masses to study their properties easily but there were various problems like isotopes needs different position in perodic table.
After discovery of atomic number modern periodic table was created on the basis of atomic number (number of proton) that is unique for each element and varies regularly. So study of a group of elements is much easier than each element seperately that is why modern periodic table was formed.
Explanation:
