Table of Contents
- 1 What are the substances called that combine to form a new substance?
- 2 What is the ability to combine with other substances?
- 3 What is the ability or inability of a substance to combine with or change into one or more new substances?
- 4 What is reactive science?
- 5 Why do substances react with other substances?
- 6 What happens when you combine 2 substances?
- 7 Which is an example of a mixture of two elements?
- 8 What kind of compounds do elements react with?
What are the substances called that combine to form a new substance?
compound
When two or more elements combine to form a new substance, it is called a compound. There are many different types of compounds, because atoms of elements combine in many different ways to form different compounds. Examples include water (H2O) and table salt (NaCl). The smallest part of a compound is a molecule.
What is the ability to combine with other substances?
Reactivity is the ability of matter to combine chemically with other substances. Some kinds of matter are extremely reactive; others are extremely unreactive. For example, potassium is very reactive, even with water.
When two or more substances combine to form one substance it is a?
It is a synthesis reaction, also called a combination reaction.
What happens when elements combine together?
When two distinct elements are chemically combined—i.e., chemical bonds form between their atoms—the result is called a chemical compound. Most elements on Earth bond with other elements to form chemical compounds, such as sodium (Na) and Chloride (Cl), which combine to form table salt (NaCl).
What is the ability or inability of a substance to combine with or change into one or more new substances?
chemical property
A chemical property describes the ability of a substance to combine with or change into one or more other substances. For example, the ability of iron to form rust when combined with air is a chemical property of iron. The inability of a substance to combine with another substance is also a chemical property.
What is reactive science?
In chemistry, reactivity is a measure of how readily a substance undergoes a chemical reaction. The reaction can involve the substance on its own or with other atoms or compounds, generally accompanied by a release of energy. The most reactive elements and compounds may ignite spontaneously or explosively.
In which type of reaction do two or more substances combine to produce a single substance a synthesis B decomposition C single replacement D Double replacement?
The type of chemical reaction in which two or more reactants combine to form one product only is a (a). synthesis reaction. The opposite of this is called a decomposition reaction.
When two substances combine chemically the properties of the products are?
When substances combine to form new substances, the properties of the reactants are preserved. When substances combine to form new substances, the properties of the resulting substances will be different than those of the reactants. You just studied 15 terms!
Why do substances react with other substances?
Because substances are made up of different atoms and molecules, they react in characteristic ways. Production of a gas, color changes, a change in temperature, and the formation of a precipitate are all evidence of a chemical reaction.
What happens when you combine 2 substances?
When two (or more) substances are mixed together, a change occurs and another or new substance (or substances) is created. This is called a chemical reaction. A chemical change (or chemical reaction) occurs when two substances are mixed together and transform into a third substance.
What kind of compounds are formed when elements combine?
Elements combine to form chemical compounds that are often divided into two categories. Metals often react with nonmetals to form ionic compounds. by adding or subtracting electrons from neutral atoms and
Why are elements cannot be broken down into simpler substances?
Because atoms cannot be created or destroyed in a chemical reaction, elements such as phosphorus (P4) or sulfur (S8) cannot be broken down into simpler substances by these reactions. Example: Water decomposes into a mixture of hydrogen and oxygen when an electric current is passed through the liquid.
Which is an example of a mixture of two elements?
Brass is an example of a mixture of two elements: copper and zinc. It can contain as little as 10%, or as much as 45%, zinc. Another difference between compounds and mixtures of elements is the ease with which the elements can be separated. Mixtures, such as the atmosphere, contain two or more substances that are relatively easy to separate.
What kind of compounds do elements react with?
Elements combine to form chemical compounds that are often divided into two categories. Metals often react with nonmetals to form ionic compounds . These compounds are composed of positive and negative ions formed by adding or subtracting electrons from neutral atoms and molecules.