Magnesium has two electrons in its valence shell, whereas chlorine has seven. Which element is more likely to form a positive ion A magnesium B magnesium C chlorine D chlorine

At 20.°C, a 1.2-gram sample of Mg ribbon reacts rapidly with 10.0 milliliters of 1.0 M HCl (aq). Which change in conditions would have caused the reaction to proceed more slowly?

Study the following reaction carefully. What classification should this reaction have? 4Al + 3O 2 2Al 2 O 3 synthesis decomposition single replacement double displacement

If a sample of copper is 3.3g, how many moles of copper atoms is there in the sample?

The isotope with 19 protons and 20 neutrons

If a p-wave and s-wave combine? A - they can produce an L wave. B - they cancel out each other. C - the P wave disappears and the only the S Wave is left. D - the S Wave disappears and only the P wave is left.

Janais lives near the ocean. How do earth, the sun, and the moon interact to affect Janais's life?

Which observation illustrates the law of conservation of mass? The C:O mass ratio of a particular compound is the same, regardless of the size or source of the sample. When 3 g of carbon reacts with 8 g of oxygen, 11 g of carbon dioxide is produced.

Which beat describes heat

One type of cat has the scientific name Felis domesticus, while another type of cat is called Felis tigris. What can be correctly stated about these two cats? A. They are members of the same species but different genera. B.

How much heat is required to increase the temperature of 198.5 grams of water from 25.0 degrees Celsius