subject
Chemistry, 28.01.2021 01:00 johnwatson12

Choose the statement that correctly describes how elements and compounds are related. Multiple choice question.

A compound is a substance in which the atoms of two or more elements are physically combined in variable proportions.

An element is a substance in which the atoms of two or more compounds are chemically combined in a fixed proportion.

A compound is a substance in which the atoms of two or more elements are chemically combined in a fixed proportion.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
question
Chemistry, 22.06.2019 06:30
If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution
Answers: 1
question
Chemistry, 22.06.2019 10:00
How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?
Answers: 1
question
Chemistry, 22.06.2019 10:00
Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this
Answers: 3
You know the right answer?
Choose the statement that correctly describes how elements and compounds are related. Multiple choi...
Questions
question
Mathematics, 03.11.2019 20:31
question
History, 03.11.2019 20:31