Chromium has the atomic number 24. How many electrons does a chromium atom need to receive from other atoms to satisfy the octet rule?

Pluto is no longer considered to be a planet. Therefore, how many planets are in the solar system?

Which compound dissolves in water but does not conduct electricity? A) table sugar B) sodium chloride C) sodium hydroxide D) hydrochloride acid

Mixture that appears to contain only one substance is a

A sample of nickel is heated to 99.8C and placed in a coffeecup calorimeter containing 150.0 g water at 23.5C. After the metal cools, the final temperature of metal and water mixture is 25.0C. If the specific heat capacity of nickel is 0.

Which word equation represents a neutralization reaction? * base + acid salt + water base + salt → water + acid salt + acid base + water salt + water → acid + base

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.

You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." the soy milk is most likely a

Give reason: a. Fractionating columns with beads are used for fractional distillation b. Crystallisation is a better technique than evaporation

How can a gardener remedy soil that is overly acidic?

True or false everything has the same amount of energy?