Which group of elements contains a metalloid?

(1) Group 8 (3) Group 16

(2) Group 2 (4) Group 18

Which is not one of the main areas of Earth science? 1. geology 2. oceanography 3. meteorology 4. anthropology

How many grams of sodium sulfate will be formed if you start with 200 grams of sodium hydroxide and you have an excess of sulfuric acid?

5. Fill in the boxes below with solid, liquid, or gas. Motion & attraction are balanced. Motion is much greater than attraction. Attraction is much greater than motion.

What are the noble gasismonatomic

You want to remove as much CO2 gas as possible from a water solution. Which of the following treatments would? a. cool the solution b. filter the solution c. boil the solution d. aerate the solution

Which substance is the oxidizing agent in this reaction? 2CuO+C→2Cu+CO2 Express your answer as a chemical formula.

Why does the light bulbs have to be part of the loop in order for it to be succesful?

Which best describes the transition from gas to liquid? Energy must be removed because particles in liquid move more slowly. Energy must be added because particles in liquid move more quickly.

Calculate the mass of a 0.255-ml sample of a liquid with density 0.660 g/ml.

Which statement correctly describes the interaction between magnetic poles? North and south poles attract each other. North and south poles repel each other. Two north poles will attract each other. Two south poles will attract each other.