« previous next »

Author Question: Atoms that have the same number of protons and different numbers of neutrons are called A) ... (Read 119 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
on: Jul 16, 2018
Atoms that have the same number of protons and different numbers of neutrons are called
 
  A) radioactive.
  B) isotopes.
  C) electrons.
  D) carbon atoms.

Question 2

True or False: Only sedimentary rocks can be assigned to geologic periods because they are the only rocks that contain fossils.
 
  Indicate whether this statement is true or false.


chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
Conscientiousness is negatively correlated with a number of health-related behaviors. The higher the ... Conscientiousness is negatively correlated with a number of health-related behaviors. The higher the ...
The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ... The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ...
How to combine approximate and exact numbers when considering significant digits How to combine approximate and exact numbers when considering significant digits
Identification of the numbers in the Word Problem Identification of the numbers in the Word Problem
Identification of the numbers in the Word Problem Identification of the numbers in the Word Problem
Video: Vasectomy

For a complete list of videos, visit our video library