Is the following sentence true or false?

A molecular formula shows the arrangement of the atoms in a molecule.

What trend do you observe that distinguishes lone pairs from bonding domains?

Which element is a solid at STP? A. H2 B. I2 C. N2 D. O2

What tools do you use to find the volume of an irregular object

Compare two cells. One has a surface area to volume ratio of 3:1 and the other has a ratio of 6:1. Which one will have a better ability to get materials across its membrane?

Methane and sulfur react to produce carbon disulfide (CS2), a liquid often used in the production of cellophane. CH4 (g) + S8 (s) CS2 (l) + H2S (g) (a) Balance the equation. (Use the lowest possible coefficients.

The chemicals formula of glucose is c6h12o6. what are the names of the elements in glucose and how many atoms of each element are present in glucose molecules

When K-37 undergoes positron emission, what is the resulting atom? A) K-37 B) K-38 C) Ar-37 D) Ar-38

Consider the following reaction where Kp = 4.55*10-5 at 723 K: N2 (g) + 3H2 (g) ⇋ 2NH3 (g) a) If the three gases are mixed in a rigid container at 723 K so that the partial pressure of each gas is initially one atm, what will happen?

Which terms are used to identify pure substances? (1) an element and a mixture (2) an element and a compound (3) a solution and a mixture (4) a solution and a compound

Which of the following polyatomic ions will form an ionic compound with two sodium ions? CO32- HCO31- NO21- NO31-