14. A neutron has a charge of

(1) + 1

(2) + 2

(3) O

(4) - 1

Solve the following: Which one is more metallic 1. A) Potassium or B) Bromine 2. A) Cesium B) Sodium 3. A) Silicon or B) Aluminum 4 A) Gold or B) Bismuth

Which of the following elements is a transition metal a. La b. Ca C. Cl d. Mn

What information do we need to determine the molecular formula of a compound from the empirical formula?

What does the phrase i meter per second mean

What is the organization that regulates the safety of Bluetooth and other wireless devices

Consider HA2, the intermediate form of a diprotic acid. Ka for this species is 1024 and Kb is 1028. Nonetheless, the Ka and Kb reac - tions proceed to nearly the same extent when NaHA is dissolved in water. Explain.

Which of the following is true of group 6A? Includes Chlorine Includes Sulfur Gain 2 electrons Tend to form + 2 ions Have 5 valence electrons

What happens if you pour water in baking soda? Does it release energy? What kind?

Define chemistry in relation to biology and physics

If you have 39 g of sodium azide in an air bag [2nan3 (s) - > 2na (s) + 2n2 (g) ], then how many molecules of nitrogen gas will it make at stp?