This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Dalton's Atomic Theory states A) that all elements have several isotopes. B) that matter is ... (Read 170 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
on: Aug 27, 2018
Dalton's Atomic Theory states
 
  A) that all elements have several isotopes.
  B) that matter is composed of small indestructible particles.
  C) that the properties of matter are determined by the properties of atoms.
  D) that energy is neither created nor destroyed during a chemical reaction.
  E) that an atom is predominantly empty space.

Question 2

Molecules can be described as
 
  A) a mixture of two or more pure substances.
  B) a mixture of two or more elements that has a specific ratio between components.
  C) two or more atoms chemically joined together.
  D) a heterogeneous mixture.
  E) a homogeneous mixture.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elyse44

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C


frankwu

  • Member
  • Posts: 549
Reply 2 on: Aug 27, 2018
Gracias!

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Two-Factor Theory Two-Factor Theory
How Safe Is Your State? Violent Crime in the United States How Safe Is Your State? Violent Crime in the United States
Four kinds of evidence supporting the theory that species evolve. Four kinds of evidence supporting the theory that species evolve.
Areas of sclerosis (see arrows) in the white matter of a patient with MS. Areas of sclerosis (see arrows) in the white matter of a patient with MS.
Elements of critical thinking Elements of critical thinking
Modern Cell Theory Modern Cell Theory
Video: Nervous pathway to the Neuromuscular (NMJ)

For a complete list of videos, visit our video library