50
One half-life would be
100^1/2, which would make it 50.
Covalent bonds consist of pairs of electrons shared by two atoms, and bind the atoms in a fixed orientation.
Answer:
The correct answer is option C.
Explanation:
Single replacement reaction : It is a type of chemical reaction in which element exchange their position with the position of another element in its compound molecule.
It is also called redox reaction because one element getting oxidized and another one getting reduced.
Hence, the correct answer is option C.
Au is the symbol for gold. It comes from Latin word for gold, which is Aurunum. Its atomic number is 79.
Answer:
The difference between the Thompson's plum pudding model and the Rutherford atom model is the location of the electrons (option a).
Explanation:
While Thompson compared his atom to a plum pudding, where the electrons floated freely in the pudding, Rutherford established the arrangement of the electrons in orbitals, which were found around the atomic nucleus like the planets around the sun.
Rutherford's findings also established the existence of a small, positively charged nucleus.
<em>Thompson and Rutherford models did not differentiate between the charges of electrons and protons
, overall charges or overall size of the atom.</em>
