The fourteen elements (atomic number 90-103) after actini...
The fourteen elements (atomic number 90-103) after actinium are called?
Actinoids
Nucleotides
Pre-actinum elements
Atomic elements
Correct answer is A
The actinide or actinoid series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium.
The actinide series derives its name from the first element in the series, actinium.
N2O4(g) ↔ 2NO2(g). Increase in total pressure of the equilibrium reaction above will...
Alkanones are generally obtained by the oxidation of ...
\(50cm^{3}\) of hydrogen are sparked with \(20cm^{3}\) of oxygen at \(100°C\) and \(1atm\) . The...
Which of the following statements is NOT a chemical property of an acid? ...
The component of an atom that contributes least to its mass is the ...
Ionization energy increases across the period in the periodic table because ...
Which of the following scientists formulated the law of conservation of mass? ...
Which noble gas is radioactive and is produced as a decay product of uranium and thorium? ...