Ions are atoms that have an electrical charge because they have gained electrons or lost electrons. If a neutral atom GAINS an electron, what is it's charge?

Positive

Negative

Neutral

What is the mass of an election

If you mix sodium chloride with cold water will it explode. True or False

Which model best describes the particles of a solid and their motion?

Why is it important that we study and understand the Water cycle?

What sound frequency hurts human ear NOT be able to detect? A.) 10,000 Hertz B.) 10 Hertz C.) 100 Hertz D.) 1,000 Hertz

Solid lithium metal and diatomic fluorine gas react spontaneously to form a solid product. give the balanced chemical equation (including phases) that describes this reaction.

What is the best way to transform a chemical potential energy into internal kinetic energy?

A reaction starts with 20.0 grams of lithium hydroxide (LiOH) and produces 31.0 grams of lithium chloride (LiCl), what is the percent yield of lithium chloride (LiCl) ? * LiOH + KCl - LiCl + KOH A) 64.5% B) 88.6% C) 81.5% D) 92.8%

You aren't sure if your pH meter needs to be calibrated, so you put it in a buffer solution that has a known pH of 7. You take four separate readings of the solution with the pH meter. The meter reports the pH as 5.5, 8.6, 6.3, and 9.4.

Can you explain and read this equation 2Mg + 02 - - 2MgO