Answers: 3
Biology, 21.06.2019 16:00, kathyc53
Every compound can be represented by a chemical formula. a chemical formula is the set of symbols showing the elements that make up a compound and their proportions. water’s chemical formula is h 2 2 o. that means a molecule of water contains two atoms of hydrogen and one atom of oxygen chemically bonded. a molecule is a group of two or more atoms bonded together. molecules can range in size from two to thousands of atoms. a molecule of a compound is the smallest unit of that compound. every molecule of water has all the physical and chemical properties of water. that’s because every molecule of water is made of the same elements in the same proportions: two hydrogen atoms and one oxygen! which of the following is a true statement? a every molecule of the same compound will have different properties. b every molecule of a compound has the same proportion of elements. c molecules can be physically separated into smaller units of a compound. d molecules cannot be represented by chemical formulae.
Answers: 1
Biology, 21.06.2019 19:50, smartie80
After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .
Answers: 3
Biology, 21.06.2019 20:30, ivetter5333
Autotrophs a. consume their food to get energy b. may use photosynthesis to gain energy c. are also called consumers d. cannot use solar energy
Answers: 2
Biology, 22.06.2019 03:30, caliharris123
What is the correct answer for the process of water eroding soil? rills, sheet erosion, gullies sheet erosion, rill, gullies gullies, rills, sheet erosion sheet erosion, gullies, rills
Answers: 1
Investigation dna proteins and sickle cell...
History, 13.07.2019 01:00
Biology, 13.07.2019 01:00
Social Studies, 13.07.2019 01:00
Social Studies, 13.07.2019 01:00
Geography, 13.07.2019 01:00
English, 13.07.2019 01:00
Mathematics, 13.07.2019 01:00