What statement correctly describes why A compound is A pure substance?
Which statement correctly describes whether a compound is a pure substance? A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means.
Is A compound A pure substance?
Compounds are pure substances made of two or more kinds of atoms bound together. Compounds can also be broken down into simpler substances. Some elements have one letter for their symbol while other elements have two letters.
What statement describes pure substances?
A pure substance is a single kind of matter that cannot be separated into other kinds of matter by any physical means. A pure substance always has a definite and constant composition.
Which of the following statement about pure substance is correct?
g)A pure substance usually participates in a chemical reaction to form predictable products. Therefore, only (i) and (iii) are correct statements. Therefore, the correct answer is option (B). Note: Pure substances are further divided into elements or compounds and not compounds or mixtures.
Which of the following statements correctly describes compounds?
Option A is the correct answer as compounds are made of atoms bonded together and the properties of the compound are different than the properties of…
Which statement best describes a compound quizlet?
Which of the following statements best describes a compound? A compound contains two or more different elements in a fixed ratio.
What makes a compound a pure substance?
Compounds are made of only one kind of molecule. The molecule is made up of two or more kinds of atoms. There is no physical change that can separate the compounds into more than one kind of substance. This makes a compound a pure substance.
How do you know if a compound is pure?
Melting and Boiling Point Determination The physical properties of a substance can be used to establish its purity. These properties include the melting point and boiling point. Different substances tend to have different melting and boiling points, and any pure substance will have a specific melting and boiling point.
Which of the following is pure substance?
Ice, iron, hydrochloric acid, calcium oxide and mercury are the pure substances.
What is a pure substance quizlet?
Pure substance. A pure substance cannot be separated into any other kinds of matter by any physical or chemical process. It is also made up of the same particles. An element is an example of a pure substance because it cannot be broken down into simpler substance.
Which of the following pure substances is a compound?
Pure Substances
| Pure Substance | Element or Compound? | Consists of: |
|---|---|---|
| Lead (Pb) | element | lead atoms |
| Oxygen gas (O2) | element | oxygen molecules* |
| Water (H2O) | compound | water molecules |
| Ammonia (NH3) | compound | ammonia molecules |
Aug 23, 2019
Which of the following is a pure substance?
Ice, iron, hydrochloric acid, calcium oxide and mercury are the pure substances.
Which of the following statements best describes A compound quizlet?
Which of the following statements best describes a compound? A compound contains two or more different elements in a fixed ratio.
What describes A compound?
1) In chemistry, a compound is a substance that results from a combination of two or more different chemical element s, in such a way that the atom s of the different elements are held together by chemical bonds that are difficult to break.
Which of the following statements correctly describes compound?
Option A is the correct answer as compounds are made of atoms bonded together and the properties of the compound are different than the properties of…
Is a compound a pure substance or a mixture?
Elements and compounds are both examples of pure substances. Compounds are substances that are made up of more than one type of atom. Elements are the simplest substances made up of only one type of atom.
Which of the following is not pure substance?
Aerated water is a homogeneous mixture of carbon dioxide and water. It is not a pure substance. Carbon dioxide is a compound while oxygen and zinc are elements which are a type of pure substance.
Which of the following is not a pure substance quizlet?
Air is not a pure substance, it consists of nitrogen, oxygen, argon, and other various gases. All other items listed are elements or compounds and therefore are pure substances.
Which is a pure substance element compound mixture?
3:0519:12Pure Substances and Mixtures, Elements & Compounds … – YouTubeYouTube
Which of the following is a pure substance quizlet?
An element is an example of a pure substance because it cannot be broken down into simpler substance. Examples of pure substances would be: H2O (water), neon (an element), and NaCl (table salt).
Which is not a pure substance?
Aerated water is a homogeneous mixture of carbon dioxide and water. It is not a pure substance. Carbon dioxide is a compound while oxygen and zinc are elements which are a type of pure substance.
Which statement correctly describes a compound?
Answer and Explanation: Statement: c. a material that is made up of a combination of atoms bonded together best describes a compound.
Which of the following correctly describes compound?
Compounds are chemicals made of 2 or more atoms from different elements.
Which of the following property does not describe a compound?
The composition of two or more constituent elements have their own properties after mixing in a same or definite proportion. This property doesn't describe a chemical compound.
What describes a compound?
1) In chemistry, a compound is a substance that results from a combination of two or more different chemical element s, in such a way that the atom s of the different elements are held together by chemical bonds that are difficult to break.
Which of the following statements correctly describe how do you determine if a zero in a reported number is significant?
Which of the following statements correctly describe how to determine if a zero in a reported number is significant? Zeros to the left of the first nonzero digit are not significant. "Trailing zeros" to the right of the last nonzero number may or may not be significant, if the quantity does not have a decimal point.
Which of these is a pure substance?
Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances that are chemical elements.
Which one of the following is a pure substance quizlet?
An element is an example of a pure substance because it cannot be broken down into simpler substance. Examples of pure substances would be: H2O (water), neon (an element), and NaCl (table salt).
What is pure compound?
Sugar, salt, and baking soda are compounds that are pure substances. Salt, diamonds, protein crystals, and copper sulphate crystals are examples of pure compounds that are crystals. Homogeneous mixtures can be called representations of pure chemicals, depending on who you speak to.
Which of the following is a pure substance that is a compound?
Pure Substances
| Pure Substance | Element or Compound? | Consists of: |
|---|---|---|
| Lead (Pb) | element | lead atoms |
| Oxygen gas (O2) | element | oxygen molecules* |
| Water (H2O) | compound | water molecules |
| Ammonia (NH3) | compound | ammonia molecules |
Aug 23, 2019