What is the usual charge on an ion formed from an atom that originally had five valence electrons? a. 0 b. 3 c. - 3 d. 5

What is the advantage in using a simple machine? Reduces the amount of work needed to move an object. Increase the mechanical advantage by increasing the effort force that is applied. Reduce the amount of energy required.

Which is which example is most likely an inorganic compound A (methane which is carbon) B (hydrogen glucose which is sugar made by plants) C (sodium chloride which is a salt human) D (DNA which is a molecule in cells)

HNO3 is a Bronsted-Lowry acid. What will this substance form when it donates a proton?

An unknown substance has the composition of 77.87% c, 11.76% h and 10.37% o. the compound has a molar mass of 154.25 g/mole. what is the molecular formula?

Calculate the ph of a 0.20 m solution of iodic acid (hio3, ka = 0.17).

What is the relative formula mass for ammonium sulphate

How to find h30 in 0.08m

Nitroglycerin (c3h5n3o9) is a powerful explosive. its decomposition may be represented by 4c3h5n3o9 → 6n2 12co2 10h2o o2 this reaction generates a large amount of heat and gaseous products.

A 3-column table with four rows. The first column has entries Liquid A, Liquid B, Liquid C, Liquid D. The second column titled mass has entries 160 grams, 173 grams, 198 grams, 220 grams.

Which option correctly describes the influence of electronegativity difference on bond character?