Who's does an atom become a positively charged ion?

A. by gaining one or more electrons

B. by gaining one or more neutrons

C. by losing one or more electrons

D. by losing one or more neutrons

Consider this reaction: 3Fe2O3 (s) + CO (g) → 2Fe3O4 (s) + CO2 (g). Which of the following would increase the rate of the reaction?

How much is needed to accelerate a 1000-kg car at a rate of 3m/s^2

What is light emitting diode

Why is it so important to not return used or excess chemicals to their storage container?

Based on the law of multiple proportions, how many grams of hydrogen would you expect 3.04 g of nitrogen to combine with to yield ammonia?

What elements do not contain any neutrons

A) What are the postulates of Bohr's model of an atom? (b) Show diagrammatically the electron distributions in Sodium, Lithium and Aluminium atoms

How many liters of air are in a room that measures 10.0 ft * 11.0 ft and has an 8.00 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 103 cm3

Which of these represents a chemical change? A) two compounds combining to form a mixture B) a mixture being separated into two elements C) a compound being separated into two elements D) an element changing state from solid to liquid

What properties would have caused early researchers to name hydrogen "inflammable air"