Examlex
Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Ar]4s13d10?
Value-added Content
Content that has been enhanced or enriched to provide greater benefit or usefulness to its audience.
Branded Channels
Specific media outlets or platforms that are created, owned, and operated by brands to communicate and engage with their audience.
YouTube
A video-sharing platform where users can upload, share, and view videos, ranging from music videos and tutorials to vlogs and educational content.
Virtual Reality
A simulated experience that can be similar to or completely different from the real world, often used for entertainment and education purposes.
Q4: Phosphine, PH<sub>3</sub>, a reactive and poisonous compound,
Q17: What is the formula of the molecule
Q27: Rank the boiling points of the following
Q43: The following reaction releases 2800 kJ of
Q44: The formula for the phosphate ion is:<br>A)PO<sub>3</sub><sup>2-</sup><br>B)PO<sub>3</sub><sup>4-</sup><br>C)PO<sub>3</sub><sup>3-</sup><br>D)PO<sub>4</sub><sup>2-</sup><br>E)PO<sub>4</sub><sup>3-</sup>
Q49: The color of visible light with the
Q57: Given a fixed amount of gas in
Q63: If 50.0 mL of 0.235 M NaCl
Q103: Which of the following is an exothermic
Q106: Which gas diffuses more rapidly than the