Examlex
The chemist credited for inventing a set of symbols for writing elements and a system for writing the formulas of compounds (and for discovering selenium,silicon,and thorium) is
Green Rankings
Evaluations or lists that rank companies or products based on their environmental sustainability practices, including their efforts to reduce carbon footprints, energy efficiency, waste reduction, and sustainable sourcing.
Newsweek
An American weekly news magazine that reports on various aspects of the global news landscape, including politics, business, technology, and culture.
Bloomingdale's
Bloomingdale's is a luxury department store chain in the United States known for offering high-end fashion apparel, accessories, and home goods.
Macy's
An American department store chain known for its wide range of consumer goods, including clothes, accessories, and home products.
Q1: All of the following are characteristics of
Q12: Consider a solution containing the following cations:
Q30: Consider the reaction 2NO<sub>2</sub>(g) <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6423/.jpg"
Q35: Draw and name the missing product below.
Q48: What is the formula for the hexaaquachromium(II)ion?<br>A)[Cr(H<sub>2</sub>O)<sub>6</sub>]<sup>2+</sup><br>B)[Cr<sub>2</sub>(H<sub>2</sub>O)<sub>6</sub>]<sup>4+</sup><br>C)[Cr(H<sub>2</sub>O)<sub>4</sub>]<sup>2+</sup><br>D)[Cr<sub>2</sub>(H<sub>2</sub>O)<sub>6</sub>]<sup>2+</sup><br>E)[Cr(H<sub>2</sub>O)<sub>6</sub>]<sup>4</sup><sup>-</sup>
Q53: Which of the following is paramagnetic?<br>A)Zn(H<sub>2</sub>O)<sub>6</sub><sup>2+</sup><br>B)Co(NH<sub>3</sub>)<sub>6</sub><sup>3+ </sup>(strong
Q75: The spectrochemical series is I<sup>-</sup> < Br<sup>-</sup>
Q80: The number of a certain radioactive nuclide
Q99: The second law of thermodynamics states that:<br>A)The
Q154: Which of the following titration curves best