11 Questions
What is the principal quantum number, n, used to represent?
The main energy levels, or shells, the electrons occupy
Which statement about electronegativity is true?
Is a relative value
Arrange the following elements in order of increasing electron affinity: chlorine, potassium, xenon, oxygen, cesium.
III, II, V, IV, I
Which statement best describes electronegativity trends?
Increases going down a group
Why is the potassium atom larger than the krypton atom?
There are more positive charges in the krypton nucleus, so the electrons are drawn closer
Which of the following statements about electron orbitals is true?
Their shapes are predicted by Schrodinger's equation
What is the correct order of increasing size for the elements: titanium, silicon, thallium, nitrogen?
nitrogen, titanium, silicon, thallium
Which statement is true regarding diatomic nitrogen?
It has a total mass of 28 u
Which group is known for its reactivity?
alkali metals
How can a covalent bond be best described?
sharing of electrons between two atoms
Which statement is likely to be true?
A ground-state potassium atom is larger than a potassium ion
Test your knowledge of chemistry with questions related to ordering elements by increasing size and identifying properties of diatomic nitrogen. This quiz covers topics such as atomic size and molecular structure in the periodic table.
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