Author Question: What terms refer to a vertical column in the periodic table of elements? A) group or family B) ... (Read 67 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
What terms refer to a vertical column in the periodic table of elements?
 
  A) group or family
  B) group or series
  C) period or family
  D) period or series
  E) none of the above

Question 2

Which of the following is a basic step in the scientific method?
 
  A) perform an experiment and collect data
  B) analyze experimental data and propose a hypothesis
  C) test a hypothesis and state a theory or law
  D) all of the above
  E) none of the above



tuwy

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

For a complete list of videos, visit our video library