What groups are Cl and F in

How many grams of solute are needed to make 5.00 L of 3.00M glucose (molar mass = 180 g/mole) ?

There is a limited amount of matter on Earth.

If some unknown solid weighs 84.0 grams and occupies 30.0 cm3 of space, what is its density?

When hydrogen and oxygen combine to form water, water would be a. a product. c. both a product and a reactant. b. a reactant. d. neither a product nor a reactant.

3. With which temperature scale is temperature directly proportional to average kinetic energy? A. Celsius B Fahrenheit C. Kelvin D. centigrade 4. Which states of matter can flow? A. gases only B. liquids only C. gases and liquids only D.

Explain why iron structures need protection from corrosion while aluminium structures do not?

What is the charge associated with each side of the HI molecule? What is the percent ionic character of the H-I bond?

Write the symbol for the ion formed when each element gains electrons and attains a noble-gas electron configuration. Br, H, Se.

A student is planning an investigation of an acid-base reaction. Which of the following is not an accepted method of monitoring the progress of the neutralization reaction? Question 16 options: Conductivity meter pH paper Visual indicator

One light year is about 9 trillion kilometers. Arcturus is a star that is 37 light years from earth. If you are about 11 years old now, how old will you be when light that is leaving Arcturus today reaches earth?