24 questions
Which of the following will have a larger radius than Zinc?
Gallium
Aluminum
Magnesium
Strontium
Which of the following will have a higher electronegativity than arsenic (As)?
Carbon (C)
Neon (Ne)
Antimony (Sb)
Germanium (Ge)
Which of the following will have a lower ionization energy than Scandium (Sc)?
Helium (He)
Titanium (Ti)
Calcium (Ca)
Magnesium (Mg)
The element with the lowest electronegativity in Period 3 is -
Na
Cl
Ar
Mg
The electronegativity of Cl is the highest in Period 3. Why?
Cl is the largest and has the greatest effective nuclear charge
Cl is the smallest and has the lowest effective nuclear charge
Cl is the largest and has the lowest effective nuclear charge
Cl is the smallest and has the greatest effective nuclear charge
A measure of the size of an atom, and is generally defined as the distance from the nucleus to the outermost electron orbit
chemical reactivity
atomic radius
energy levels
orbit
In which of the following atoms is the 2s orbital closest to the nucleus? (Bonus question, worth 2 marks.)
S
Cl
P
Si
They are the same distance in all of these atoms.